Issue Description

The akashic tome recipe, that gives you a "pre-filled" tome with a bunch of books from the pack, has a bunch of entries that don't actually exist due to either the mod not being in the pack or the actual book it's referring to having a different name.
This in effect makes it so every time you open up the UI there's a couple "gaps" that you can't click on and just sit there.

For example "thermalfoundation:tome", which I assume was meant to be the "tome of knowledge", is "thermalfoundation:tome_experience" ingame. The Forge Lexicon, which allows you to oredict items, is called "thermalfoundation:tome_lexicon".

The second book "spiceoflife:bookfoodjournal" doesn't exist because the mod itself, spice of life, isn't included in the skyblock version.

Adding books to the tome does not fill up those spots. Those are there indefinitely.

Modpack version (Do not use "latest")

1.6