Maia Toll is the author of The Wild Wisdom series which includes The Illustrated Herbiary, The Illustrated Bestiary, and The Illustrated Crystallary. Toll apprenticed with a traditional healer in Ireland, spending extensive time studying the growing cycles of plants, the alchemy of medicine making, and the psycho-spiritual aspects of healing--and studied at The University of Michigan and New York University. She leads the annual Witch Camp retreat, and is co-owner of the retail store Herbiary in Asheville, NC. You can find her online at maiatoll.com. Kate O'Hara is a freelance illustrator currently based in Reno, Nevada. She received a BFA in Illustration from the University of the Arts in Philadelphia, in 2014. Her work combines intricate nature drawings with decorative hand-lettering and rich color schemes.