This is volume 4 in Unicorn Rescue Society .

This book has been graded for interest at 8-11 years.

This book was published 2019 by Listening Library .

Adam Gidwitz grew up in Baltimore, USA. Now he lives in Brooklyn and teaches kids large and slightly less large at Saint Ann's School. Want to hear more about Adam's brilliant books? Visit him online at www. adamgidwitz. com