From the back cover:
Cast a deadly spell...
If you're looking for a way to spice up your hero's existing magical arsenal, or interested in trying a new type of mysticism like voodoo or Eastern enlightenment, this is the book for you! Hexarcana is a complete library of arcane all in a single handy book.
Favors and hexes, kung fu fighters and thaumaturgical diffusion, divine intervention and guardian spirits - they're all here! Over 150 hexes, miracles, favors, spells, powers, and more are crammed into the pages of this book, all just waiting to be let loose in your Deadlands campaign.
In addition to new options for blessed, hucksters, adn shamans, you'll find the complete rules for playing deadly martial artists, mysterious voodooists, adn steampuck metal mages. We've updatred and revised the popular arcane backgrounds from our boxed campaign sets and added more powers, hexes, and spells to their repertoire.