"The books celebrate the very meaningful idea of friendship."—Amy Poehler's Smart Girls In the fourth middle grade chapter book, The Hidden Kingdom , animals in the valley start to trip on the crumbling ground beneath them, water disappears, and strange voices are heard. Everyone assumes the forest is under a spell. However, it’s a group of veiled creatures—a chameleon, stick bugs, leaf bugs, and other assorted camouflaged insects—that are upset because they want the valley’s recognition for their hard work in preventing a drought. The Nocturnal Brigade—Dawn, Tobin, and Bismark—solves this mystery and unites the forest. GREAT FOR HOMESCHOOLING! Download the series's complimentary printable activities at nocturnalsworld.com: animal mask crafts, bingo, word games, discussion questions, and Common Core Language Arts and Next Generation Science educator guides. The Nocturnals is a critically acclaimed middle grade chapter book series following three unlikely friends—Dawn, a serious fox, Tobin, a sweet pangolin, and Bismark, a pint-sized sugar glider. Discover the friendships, teamwork, and humor as the Nocturnal Brigade solves the unpredictable mysteries of the night. Bonus full color illustrations at the start of each chapter (Ages 8-10)