Horse heroes：A nonfiction companion to Magic Tree House #49: Stallion by Starlight "A nonfiction companion to Magic Tree House #49: Stallion by Starlight." Dog heroes：a nonfiction companion to Magic tree house #46: Dogs in the dead of night Dog heroes :：a nonfiction companion to Magic tree house#46: Dogs in the dead of night / Warriors：a nonfiction companion to Magic tree house #31: Warriors in Winter The other title：a nonfiction companion to Magic tree house #54, Balto of the Blue Dawn Abraham Lincoln：A nonfiction companion to Magic tree house, #47: Abe Lincoln at last! Wild west :: a nonfiction companion to magic tree house #10, Ghost town at sundown / 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"