diff --git a/Xplat/src/generated/resources/.cache/5e449fe289648869bd1f4d4d99715c8b4e0c057d b/Xplat/src/generated/resources/.cache/5e449fe289648869bd1f4d4d99715c8b4e0c057d
index 54fa4391bb..5569a2f8bf 100644
--- a/Xplat/src/generated/resources/.cache/5e449fe289648869bd1f4d4d99715c8b4e0c057d
+++ b/Xplat/src/generated/resources/.cache/5e449fe289648869bd1f4d4d99715c8b4e0c057d
@@ -56,10 +56,12 @@ adfc7deaa7aa9d5425da095270745d58605b86ad data/botania/tags/items/rods.json
 70a32077a4c06e2fc3ed8783037d4b6c659216be data/botania/tags/items/terrasteel_ingots.json
 de5556cc02036175ac731ce76827076c6b834d25 data/botania/tags/items/terrasteel_nuggets.json
 43bfa13de3ebc0be372fc48b0e4be56a25cb1893 data/minecraft/tags/items/axes.json
+65c35efa8dfbdc9f5a8c05624c492fba8408e3b2 data/minecraft/tags/items/bookshelf_books.json
 a101ef4ecfece48f1cdff62f34f30f9f25b3dbd3 data/minecraft/tags/items/cluster_max_harvestables.json
 b59d5b36ebe88ae60fca62eb6985e9825e0a9031 data/minecraft/tags/items/fences.json
 d0af4dd70afe7bdf3964a0aa4df4722e4452d78c data/minecraft/tags/items/freeze_immune_wearables.json
 79ae3faf230addcc2958d69860afa0c406f4ca35 data/minecraft/tags/items/hoes.json
+65c35efa8dfbdc9f5a8c05624c492fba8408e3b2 data/minecraft/tags/items/lectern_books.json
 0d43cab6db2ee9b5d1865b8938630349ce5bfa23 data/minecraft/tags/items/logs_that_burn.json
 cc4f967b08052c03ce91be3de50f078469fb2749 data/minecraft/tags/items/music_discs.json
 a101ef4ecfece48f1cdff62f34f30f9f25b3dbd3 data/minecraft/tags/items/pickaxes.json
diff --git a/Xplat/src/generated/resources/data/minecraft/tags/items/bookshelf_books.json b/Xplat/src/generated/resources/data/minecraft/tags/items/bookshelf_books.json
new file mode 100644
index 0000000000..c34be7421b
--- /dev/null
+++ b/Xplat/src/generated/resources/data/minecraft/tags/items/bookshelf_books.json
@@ -0,0 +1,6 @@
+{
+  "replace": false,
+  "values": [
+    "botania:lexicon"
+  ]
+}
\ No newline at end of file
diff --git a/Xplat/src/generated/resources/data/minecraft/tags/items/lectern_books.json b/Xplat/src/generated/resources/data/minecraft/tags/items/lectern_books.json
new file mode 100644
index 0000000000..c34be7421b
--- /dev/null
+++ b/Xplat/src/generated/resources/data/minecraft/tags/items/lectern_books.json
@@ -0,0 +1,6 @@
+{
+  "replace": false,
+  "values": [
+    "botania:lexicon"
+  ]
+}
\ No newline at end of file
diff --git a/Xplat/src/main/java/vazkii/botania/data/ItemTagProvider.java b/Xplat/src/main/java/vazkii/botania/data/ItemTagProvider.java
index 51290fa5fa..5a9bbec918 100644
--- a/Xplat/src/main/java/vazkii/botania/data/ItemTagProvider.java
+++ b/Xplat/src/main/java/vazkii/botania/data/ItemTagProvider.java
@@ -87,6 +87,8 @@ protected void addTags(HolderLookup.Provider provider) {
 				BotaniaBlocks.hourglass.asItem(), BotaniaBlocks.manaPylon.asItem(), monocle);
 		this.tag(ItemTags.MUSIC_DISCS).add(recordGaia1, recordGaia2);
 		this.tag(ItemTags.CLUSTER_MAX_HARVESTABLES).add(manasteelPick, elementiumPick, terraPick, glassPick);
+		this.tag(ItemTags.LECTERN_BOOKS).add(lexicon);
+		this.tag(ItemTags.BOOKSHELF_BOOKS).add(lexicon);
 
 		this.tag(BotaniaTags.Items.DUSTS_MANA).add(manaPowder);
 
diff --git a/Xplat/src/main/java/vazkii/botania/mixin/LecternEventHandlerMixin.java b/Xplat/src/main/java/vazkii/botania/mixin/LecternEventHandlerMixin.java
new file mode 100644
index 0000000000..50599ea1a0
--- /dev/null
+++ b/Xplat/src/main/java/vazkii/botania/mixin/LecternEventHandlerMixin.java
@@ -0,0 +1,43 @@
+package vazkii.botania.mixin;
+
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.world.InteractionHand;
+import net.minecraft.world.InteractionResult;
+import net.minecraft.world.entity.player.Player;
+import net.minecraft.world.level.Level;
+import net.minecraft.world.level.block.entity.BlockEntityType;
+import net.minecraft.world.phys.BlockHitResult;
+
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+
+import vazkii.botania.common.advancements.UseItemSuccessTrigger;
+import vazkii.botania.common.item.BotaniaItems;
+import vazkii.patchouli.common.handler.LecternEventHandler;
+
+@Mixin(LecternEventHandler.class)
+public class LecternEventHandlerMixin {
+	/**
+	 * Hooks into the Patchouli lectern event handler, right before the call to {@code openBookGUI}, to properly award
+	 * the lexicon reading advancement if read via a lectern instead of via the book item directly.
+	 */
+	@Inject(
+		method = "rightClick(Lnet/minecraft/world/entity/player/Player;Lnet/minecraft/world/level/Level;Lnet/minecraft/world/InteractionHand;Lnet/minecraft/world/phys/BlockHitResult;)Lnet/minecraft/world/InteractionResult;",
+		at = @At(value = "INVOKE", target = "Lvazkii/patchouli/api/PatchouliAPI$IPatchouliAPI;openBookGUI(Lnet/minecraft/server/level/ServerPlayer;Lnet/minecraft/resources/ResourceLocation;)V")
+	)
+	private static void checkUseLexicon(Player player, Level world, InteractionHand hand, BlockHitResult hit, CallbackInfoReturnable<InteractionResult> cir) {
+		if (!(player instanceof ServerPlayer serverPlayer)) {
+			return;
+		}
+		final var blockEntity = world.getBlockEntity(hit.getBlockPos(), BlockEntityType.LECTERN);
+		blockEntity.ifPresent(lecternBlockEntity -> {
+			final var itemStack = lecternBlockEntity.getBook();
+			if (itemStack.is(BotaniaItems.lexicon)) {
+				UseItemSuccessTrigger.INSTANCE.trigger(serverPlayer, itemStack, serverPlayer.serverLevel(),
+						player.getX(), player.getY(), player.getZ());
+			}
+		});
+	}
+}
diff --git a/Xplat/src/main/resources/botania_xplat.mixins.json b/Xplat/src/main/resources/botania_xplat.mixins.json
index eb0c0bac8b..09f8882459 100644
--- a/Xplat/src/main/resources/botania_xplat.mixins.json
+++ b/Xplat/src/main/resources/botania_xplat.mixins.json
@@ -28,6 +28,7 @@
     "ItemEntityAccessor",
     "ItemEntityMixin",
     "ItemMixin",
+    "LecternEventHandlerMixin",
     "LevelAccessor",
     "LivingEntityAccessor",
     "LoomMenuMixin",