diff --git a/src/Controller/Item/Blueprint/LetterFromTheLibraryOfFireController.php b/src/Controller/Item/Blueprint/LetterFromTheLibraryOfFireController.php
index 734c7bf9..4fd6234c 100644
--- a/src/Controller/Item/Blueprint/LetterFromTheLibraryOfFireController.php
+++ b/src/Controller/Item/Blueprint/LetterFromTheLibraryOfFireController.php
@@ -37,7 +37,7 @@ public function readNote(
         UserAccessor $userAccessor
     ): JsonResponse
     {
-        ItemControllerHelpers::validateInventory($userAccessor->getUserOrThrow(), $inventory, 'letterFromTheLibraryOfFire/#/read');
+        ItemControllerHelpers::validateInventoryAllowingLibrary($userAccessor->getUserOrThrow(), $inventory, 'letterFromTheLibraryOfFire/#/read');
 
         $user = $userAccessor->getUserOrThrow();
 
@@ -51,11 +51,11 @@ public function readNote(
 
 An anonymous benefactor has sponsored your registration as a member of the Library of Fire!
 
-Though you may not heard of The Library of Fire, you\'re no doubt familiar with the myth of the burning of the Library of Alexandria.
+Though you may not have heard of The Library of Fire, you\'re no doubt familiar with the myth of the burning of the Library of Alexandria.
 
-The Library of Fire was founded by Aristarchus in 138 BC, shortly after his death, to preserve the spirit of the Library of Alexandria. Named for the enduring flame of knowledge, whispers of the Library of Fire made their way to the material world, where its name become entangled with the story of the decline of the Library of Alexandria.
+The Library of Fire was founded by Aristarchus in 138 BC, shortly after his death, to preserve the spirit of the Library of Alexandria. Named for the enduring flame of knowledge, whispers of the Library of Fire made their way to the material world, where its name became entangled with the story of the decline of the Library of Alexandria.
 
-Today, the Library of Fire is home to over 120 trillion works, in the form of books, journals, songs, videos, ixettes, paintings, transmissions, and more!
+Today, the Library of Fire is home to more than ℵ<sub>0</sub> works, in the form of books, journals, songs, videos, ixettes, paintings, transmissions, and more!
 
 Beyond public access to floors 1 through 7, your level of membership entitles you to:
 * Browsing & borrowing access to floors 8 through 414 of the library
@@ -70,6 +70,7 @@ public function readNote(
 The Library of Fire is always open. We look forward to seeing you!');
         }
     }
+
     #[Route("/{inventory}/meltSeal", methods: ["POST"])]
     #[IsGranted("IS_AUTHENTICATED_FULLY")]
     public function meltSeal(
diff --git a/src/Controller/Item/Note/BananananersFosterRecipeController.php b/src/Controller/Item/Note/BananananersFosterRecipeController.php
index cb0928a8..890586e4 100644
--- a/src/Controller/Item/Note/BananananersFosterRecipeController.php
+++ b/src/Controller/Item/Note/BananananersFosterRecipeController.php
@@ -34,7 +34,7 @@ public function upload(
     {
         $user = $userAccessor->getUserOrThrow();
 
-        ItemControllerHelpers::validateInventory($user, $inventory, 'note/bananananersFoster/#/upload');
+        ItemControllerHelpers::validateInventoryAllowingLibrary($user, $inventory, 'note/bananananersFoster/#/upload');
 
         $message = $cookingService->showRecipeNamesToCookingBuddy($user, [
             'Bananananers Foster',
@@ -49,7 +49,7 @@ public function readBananananersFosterRecipe(Inventory $inventory, ResponseServi
         UserAccessor $userAccessor
     ): JsonResponse
     {
-        ItemControllerHelpers::validateInventory($userAccessor->getUserOrThrow(), $inventory, 'note/bananananersFoster/#/read');
+        ItemControllerHelpers::validateInventoryAllowingLibrary($userAccessor->getUserOrThrow(), $inventory, 'note/bananananersFoster/#/read');
 
         return $responseService->itemActionSuccess('Start with Naner Ice Cream.
 
diff --git a/src/Controller/Item/Note/BucheDeNoelRecipeController.php b/src/Controller/Item/Note/BucheDeNoelRecipeController.php
index 54f8e5d8..79be4c8a 100644
--- a/src/Controller/Item/Note/BucheDeNoelRecipeController.php
+++ b/src/Controller/Item/Note/BucheDeNoelRecipeController.php
@@ -34,7 +34,7 @@ public function upload(
     {
         $user = $userAccessor->getUserOrThrow();
 
-        ItemControllerHelpers::validateInventory($user, $inventory, 'note/bucheDeNoel/#/upload');
+        ItemControllerHelpers::validateInventoryAllowingLibrary($user, $inventory, 'note/bucheDeNoel/#/upload');
 
         $message = $cookingService->showRecipeNamesToCookingBuddy($user, [
             'Bûche De Noël',
@@ -49,7 +49,7 @@ public function read(Inventory $inventory, ResponseService $responseService,
         UserAccessor $userAccessor
     ): JsonResponse
     {
-        ItemControllerHelpers::validateInventory($userAccessor->getUserOrThrow(), $inventory, 'note/bucheDeNoel/#/read');
+        ItemControllerHelpers::validateInventoryAllowingLibrary($userAccessor->getUserOrThrow(), $inventory, 'note/bucheDeNoel/#/read');
 
         return $responseService->itemActionSuccess('**Bûche De Noël**
 * Egg
diff --git a/src/Controller/Item/Note/CarrotWineRecipeController.php b/src/Controller/Item/Note/CarrotWineRecipeController.php
index ac6d368f..2b0df163 100644
--- a/src/Controller/Item/Note/CarrotWineRecipeController.php
+++ b/src/Controller/Item/Note/CarrotWineRecipeController.php
@@ -34,7 +34,7 @@ public function upload(
     {
         $user = $userAccessor->getUserOrThrow();
 
-        ItemControllerHelpers::validateInventory($user, $inventory, 'note/carrotWine/#/upload');
+        ItemControllerHelpers::validateInventoryAllowingLibrary($user, $inventory, 'note/carrotWine/#/upload');
 
         $message = $cookingService->showRecipeNamesToCookingBuddy($user, [
             'Carrot Wine (A)',
@@ -50,7 +50,7 @@ public function read(Inventory $inventory, ResponseService $responseService,
         UserAccessor $userAccessor
     ): JsonResponse
     {
-        ItemControllerHelpers::validateInventory($userAccessor->getUserOrThrow(), $inventory, 'note/carrotWine/#/read');
+        ItemControllerHelpers::validateInventoryAllowingLibrary($userAccessor->getUserOrThrow(), $inventory, 'note/carrotWine/#/read');
 
         return $responseService->itemActionSuccess('**Carrot Wine**
 
diff --git a/src/Controller/Item/Note/CobblerRecipesController.php b/src/Controller/Item/Note/CobblerRecipesController.php
index b5681f73..6e641265 100644
--- a/src/Controller/Item/Note/CobblerRecipesController.php
+++ b/src/Controller/Item/Note/CobblerRecipesController.php
@@ -34,7 +34,7 @@ public function upload(
     {
         $user = $userAccessor->getUserOrThrow();
 
-        ItemControllerHelpers::validateInventory($user, $inventory, 'note/cobblers/#/upload');
+        ItemControllerHelpers::validateInventoryAllowingLibrary($user, $inventory, 'note/cobblers/#/upload');
 
         $message = $cookingService->showRecipeNamesToCookingBuddy($user, [
             'Berry Cobbler (Blueberry)',
@@ -50,7 +50,7 @@ public function readCobblerRecipes(Inventory $inventory, ResponseService $respon
         UserAccessor $userAccessor
     ): JsonResponse
     {
-        ItemControllerHelpers::validateInventory($userAccessor->getUserOrThrow(), $inventory, 'note/cobblers/#/read');
+        ItemControllerHelpers::validateInventoryAllowingLibrary($userAccessor->getUserOrThrow(), $inventory, 'note/cobblers/#/read');
 
         return $responseService->itemActionSuccess('* flour
 * milk
diff --git a/src/Controller/Item/Note/CreepyMaskDayController.php b/src/Controller/Item/Note/CreepyMaskDayController.php
index 6e34e3fb..611c09d2 100644
--- a/src/Controller/Item/Note/CreepyMaskDayController.php
+++ b/src/Controller/Item/Note/CreepyMaskDayController.php
@@ -31,7 +31,7 @@ public function readCreepyMaskDayNote(Inventory $inventory, ResponseService $res
         UserAccessor $userAccessor
     ): JsonResponse
     {
-        ItemControllerHelpers::validateInventory($userAccessor->getUserOrThrow(), $inventory, 'note/creepyMaskDay/#/read');
+        ItemControllerHelpers::validateInventoryAllowingLibrary($userAccessor->getUserOrThrow(), $inventory, 'note/creepyMaskDay/#/read');
 
         $lines = [];
 
diff --git a/src/Controller/Item/Note/GochujangRecipeController.php b/src/Controller/Item/Note/GochujangRecipeController.php
index 2d71dd05..5dac9e9a 100644
--- a/src/Controller/Item/Note/GochujangRecipeController.php
+++ b/src/Controller/Item/Note/GochujangRecipeController.php
@@ -34,7 +34,7 @@ public function upload(
     {
         $user = $userAccessor->getUserOrThrow();
 
-        ItemControllerHelpers::validateInventory($user, $inventory, 'note/gochujang/#/upload');
+        ItemControllerHelpers::validateInventoryAllowingLibrary($user, $inventory, 'note/gochujang/#/upload');
 
         $message = $cookingService->showRecipeNamesToCookingBuddy($user, [
             'Gochujang',
@@ -49,7 +49,7 @@ public function readGochujangRecipe(Inventory $inventory, ResponseService $respo
         UserAccessor $userAccessor
     ): JsonResponse
     {
-        ItemControllerHelpers::validateInventory($userAccessor->getUserOrThrow(), $inventory, 'note/gochujang/#/read');
+        ItemControllerHelpers::validateInventoryAllowingLibrary($userAccessor->getUserOrThrow(), $inventory, 'note/gochujang/#/read');
 
         return $responseService->itemActionSuccess('Age the following:
 
diff --git a/src/Controller/Item/Note/MissingMailController.php b/src/Controller/Item/Note/MissingMailController.php
index f3211388..bb101c1a 100644
--- a/src/Controller/Item/Note/MissingMailController.php
+++ b/src/Controller/Item/Note/MissingMailController.php
@@ -32,6 +32,7 @@ public function read(
         IRandom $rng, EntityManagerInterface $em
     ): JsonResponse
     {
+        // CANNOT BE USED FROM LIBRARY: it replaces itself with Paper
         ItemControllerHelpers::validateInventory($userAccessor->getUserOrThrow(), $inventory, 'missingMail/#/read');
 
         $inventory
diff --git a/src/Controller/Item/Note/NoteController.php b/src/Controller/Item/Note/NoteController.php
index d2302e8c..477e6aef 100644
--- a/src/Controller/Item/Note/NoteController.php
+++ b/src/Controller/Item/Note/NoteController.php
@@ -35,6 +35,7 @@ public function eraseNote(
     {
         $user = $userAccessor->getUserOrThrow();
 
+        // CANNOT BE USED FROM LIBRARY: it replaces itself with Paper
         ItemControllerHelpers::validateInventory($user, $inventory, 'note/#/erase');
 
         $paper = ItemRepository::findOneByName($em, 'Paper');
diff --git a/src/Controller/Item/Note/PuddingRecipesController.php b/src/Controller/Item/Note/PuddingRecipesController.php
index d6c20736..82542b29 100644
--- a/src/Controller/Item/Note/PuddingRecipesController.php
+++ b/src/Controller/Item/Note/PuddingRecipesController.php
@@ -34,7 +34,7 @@ public function upload(
     {
         $user = $userAccessor->getUserOrThrow();
 
-        ItemControllerHelpers::validateInventory($user, $inventory, 'note/puddin/#/upload');
+        ItemControllerHelpers::validateInventoryAllowingLibrary($user, $inventory, 'note/puddin/#/upload');
 
         $message = $cookingService->showRecipeNamesToCookingBuddy($user, [
             'Naner Puddin\'',
@@ -51,7 +51,7 @@ public function readPuddingRecipes(Inventory $inventory, ResponseService $respon
         UserAccessor $userAccessor
     ): JsonResponse
     {
-        ItemControllerHelpers::validateInventory($userAccessor->getUserOrThrow(), $inventory, 'note/puddin/#/read');
+        ItemControllerHelpers::validateInventoryAllowingLibrary($userAccessor->getUserOrThrow(), $inventory, 'note/puddin/#/read');
 
         return $responseService->itemActionSuccess('**Naner Puddin\'**
 
diff --git a/src/Controller/Item/Note/SpiritPolymorphPotionRecipeController.php b/src/Controller/Item/Note/SpiritPolymorphPotionRecipeController.php
index 24537469..e645f708 100644
--- a/src/Controller/Item/Note/SpiritPolymorphPotionRecipeController.php
+++ b/src/Controller/Item/Note/SpiritPolymorphPotionRecipeController.php
@@ -34,7 +34,7 @@ public function upload(
     {
         $user = $userAccessor->getUserOrThrow();
 
-        ItemControllerHelpers::validateInventory($user, $inventory, 'note/spiritPolymorphPotion/#/upload');
+        ItemControllerHelpers::validateInventoryAllowingLibrary($user, $inventory, 'note/spiritPolymorphPotion/#/upload');
 
         $message = $cookingService->showRecipeNamesToCookingBuddy($user, [
             'Spirit Polymorph Potion (A)',
@@ -50,7 +50,7 @@ public function readSpiritPolymorphPotion(Inventory $inventory, ResponseService
         UserAccessor $userAccessor
     ): JsonResponse
     {
-        ItemControllerHelpers::validateInventory($userAccessor->getUserOrThrow(), $inventory, 'note/spiritPolymorphPotion/#/read');
+        ItemControllerHelpers::validateInventoryAllowingLibrary($userAccessor->getUserOrThrow(), $inventory, 'note/spiritPolymorphPotion/#/read');
 
         return $responseService->itemActionSuccess('* Striped Microcline
 * Witch-hazel
diff --git a/src/Controller/Item/Note/StroganoffRecipeController.php b/src/Controller/Item/Note/StroganoffRecipeController.php
index 5b7f6fea..ab3e0892 100644
--- a/src/Controller/Item/Note/StroganoffRecipeController.php
+++ b/src/Controller/Item/Note/StroganoffRecipeController.php
@@ -34,7 +34,7 @@ public function upload(
     {
         $user = $userAccessor->getUserOrThrow();
 
-        ItemControllerHelpers::validateInventory($user, $inventory, 'note/stroganoff/#/upload');
+        ItemControllerHelpers::validateInventoryAllowingLibrary($user, $inventory, 'note/stroganoff/#/upload');
 
         $message = $cookingService->showRecipeNamesToCookingBuddy($user, [
             'Fish Stroganoff (A)',
@@ -54,7 +54,7 @@ public function readStroganoffRecipe(Inventory $inventory, ResponseService $resp
         UserAccessor $userAccessor
     ): JsonResponse
     {
-        ItemControllerHelpers::validateInventory($userAccessor->getUserOrThrow(), $inventory, 'note/stroganoff/#/read');
+        ItemControllerHelpers::validateInventoryAllowingLibrary($userAccessor->getUserOrThrow(), $inventory, 'note/stroganoff/#/read');
 
         return $responseService->itemActionSuccess('* mushrooms, onions, oil (or butter)
 * fish
diff --git a/src/Controller/Item/Note/WelcomeNoteController.php b/src/Controller/Item/Note/WelcomeNoteController.php
index 972116ac..eaa4ab1a 100644
--- a/src/Controller/Item/Note/WelcomeNoteController.php
+++ b/src/Controller/Item/Note/WelcomeNoteController.php
@@ -30,7 +30,7 @@ public function readWelcomeNote(Inventory $inventory, ResponseService $responseS
         UserAccessor $userAccessor
     ): JsonResponse
     {
-        ItemControllerHelpers::validateInventory($userAccessor->getUserOrThrow(), $inventory, 'note/welcome/#/read');
+        ItemControllerHelpers::validateInventoryAllowingLibrary($userAccessor->getUserOrThrow(), $inventory, 'note/welcome/#/read');
 
         return $responseService->itemActionSuccess('# Welcome!