Maia Toll is the author of The Wild Wisdom series, including The Illustrated Herbiary, and The Night School. After pursuing an undergraduate degree at the University of Michigan and a master's at New York University, Toll apprenticed with a traditional healer in Ireland, where she spent 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 is the co-owner of the retail store Herbiary, with locations in Asheville, NC and Philadelphia, PA. 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.