A nonfiction companion to Magic Tree House #29: A Big day for Baseball. "A nonfiction companion to Magic Tree House #29: A Big day for Baseball." Baseball：A nonfiction companion to Magic Tree House #29: A Big day for Baseball. a nonfiction companion to Magic tree house #23, Twister on Tuesday a nonfiction companion to Magic tree house #5 : Night of the ninjas a nonfiction companion to Magic tree house #8, Midnight on the moon "A nonfiction companion to Magic Tree House #51: High Time for Heroes." a nonfiction companion to Magic tree house #22 : Revolutionary War on Wednesday A nonfiction companion to Magic Tree House #39: Dark day in the deep sea. "A nonfiction companion to Magic tree house #53: Shadow of the shark"