Andrea Cremer is the internationally bestselling author of the Nightshade series, which includes Nightshade, Wolfsbane, Bloodrose, Snakeroot, Rift, and Rise. She is also the author of Invisibility, which she co-wrote with David Levithan, and most recently, The Inventor's Secret and its sequel The Conjurer's Riddle. When she's not writing novels, Andrea puts her PhD to work teaching classes in writing and history at Macalaster College. She lives in Minneapolis, Minnesota.
Visit Andrea online at www.andreacremer.com and follow her on Twitter @andreacremer
She now writes under Andrea Robertson.