A nonfiction companion to magic tree house #6, Afternoon on the Amazon / Rain forests :：A nonfiction companion to magic tree house #6, Afternoon on the Amazon / a nonfiction companion to Magic tree house #8, Midnight on the moon a nonfiction companion to Magic tree house #23, Twister on Tuesday a nonfiction companion to Magic tree house #5 : Night of the ninjas Space：a nonfiction companion to Magic tree house #8, Midnight on the moon "A nonfiction companion to Magic tree house #53: Shadow of the shark" A nonfiction companion to Magic Tree House #4, Pirates Past Noon / A nonfiction companion to magic tree house #43:Leprechaun in Late Winter "A nonfiction companion to Magic tree house #55: Night of the Ninth Dragon."