| Book of Summonings
| Primary school
|| An advanced treatise on Summoning magics, detailing ways of summoning and binding creatures from all manners of realms.
In 0.17, Abjuration (L3) was replaced by Aura of Abjuration (L5) and Monstrous Menagerie by Summon Mana Viper.
In 0.15, the book lost Summon Elemental as part of the spell's removal. Summon Forest was moved over from the Book of the Warp to replace it.
In 0.14, the book lost Summon Ugly Thing as part of that spell's removal, and gained Monstrous Menagerie as part of that spell's addition.
Prior to 0.8, the book had Haunt and Summon Horrible Things but not Summon Demon, which in 0.8 were exchanged over from the Grand Grimoire. 0.8 itself added Summon Elemental to the book.
Prior to 0.7, the book contained Call Canine Familiar. The spell was moved over to the Book of Callings, replacing said book's Summon Elemental slot.