Why do trees lose their leaves in winter? How do insects hide on bare branches? Let the trees themselves reveal their many secrets to you. Longer sentences and an expanded vocabulary make this series of 48-page books slightly more challenging: Level 3a?? started to read but still need help. Information boxes full of background information will stimulate inquisitive minds. These books contain between 700 and 850 words, and they are approximately 70 percent pictures and 30 percent text. The Dorling Kindersley Readers combine an enticing visual layout with high-interest, easy-to-read stories to captivate and delight young bookworms who are just getting started. Written by leading children's authors and compiled in consultation with literacy experts, these engaging books build reader confidence along with a lifelong appreciation for nonfiction, classic stories, and biographies. There is a DK Reader to interest every child at every level, from preschool to grade 4.