Who does Wu Tiantian like in The Magical Library of Dong Xiaoyu? The Magic Library is a book published by Yunnan Fine Arts Publishing House on 20 19. ***5 volumes, including Adventures of the Human Body, Back to the Age of Dinosaurs, Secrets of the Universe, Crazy Plants and Wonderful Animals. Mr. Hu Kai, the librarian of Meng Xi primary school, and four children of the school science group, Zhang and Zheng Dahai, participated in the scientific exploration activities. Wu Tianhe Dong Xiaoyu are friends and have a profound friendship.