Akashic Tome keeps your mod documentation books in a single inventory slot, making it useful for large Minecraft modpacks. Combine books with the tome at a crafting table, then right-click to choose one. Available for Forge and NeoForge on Minecraft 1.10.2–1.21.1; versions 1.19.2 and older require AutoRegLib.
Rent your own Minecraft server and install Akashic Tome with one click from the panel to keep your mod manuals together.