<p>The fifth book in the action-packed mystery adventure series The Secret Zoo, about a group of middle school friends who discover a hidden zoo in their very own neighborhood! In book five, Noah and his friends must venture into the forbidden sector of the Secret Zoo.</p><p>The evil DeGraff—enemy of the Secret Zoo—is holding Noah's friends captive in the off-limits section of the secret zoo, a never-ending maze of aquariums. The scouts are determined to save their friends, but each tank they travel through takes them farther from safety. Noah, Megan, Richie, and Ella must summon all their courage if they are going to succeed. An entertaining and fast-paced series that's perfect for reluctant readers and will appeal to fans of Dan Gutman, Michael Buckley, and Andrew Clements. <em>School Library Journal</em> says, "Fans of fantasy, animal fiction, and adventure will enjoy this fast-moving story."</p>