The Warriors: Power of Three Box Set includes Volumes 1 to 6 by author Erin Hunter. This fantasy and magic-themed novel series is targeted towards young adults and ages 9-12, featuring a captivating narrative centered around animal characters such as cats and birds. Published by HarperCollins in 2015, this paperback box set is a great addition to any young fan's bookshelf, offering hours of action and adventure in a world of fantasy and magic.