«A Tome of Chaos» is a book dedicated to magic in the world of «The Witcher». Here, in general, as with the bestiary «A Witcher's Journal» - not bad, but nothing special and fundamental. (So don’t expect something like «Realms of Sorcery» for WFRP). A new heroine in the manner of Erland is the elf Glynnis. The stories about her are generally interesting, especially the last one about the demon. Book contains some information about magical training, local religious cults, and priest and druid now are full-fledged separate classes. There’s also a little bit of everything as usual - new spells, few new monsters, examples of famous magicians, etc. There are sections about local forbidden practices like necromancy or demonology (but they are quite small), also a couple of small fragments about ley lines and weak mages with only one ability (but they look like there was no place for them anywhere in the book and therefore they are just crammed somewhere between chapters).