The book, Witches' Brews is the definitive guide to crafting, brewing and performing rituals with a Witches' Cauldron. The book is broken down into various sections describing the basics of crafting, potion brewing and ritual casting. It also contains a reference guide to all of the possible ingredients and what they do, split up in relevant sections.

Unlike other books, this one features a system of linked pages, where keywords may be clicked on to jump to a different topic. A back button, and move up an index button exist to navigate backwards, while a next button allows the reader to view the next page in the current section.