Combine high-interest subjects, challenging puzzles and games, and plenty of stickers -- and what do you get? A Powerhouse of fun and learning! These big books -- packed with lively information (and humor, too!) -- provide a perfect introduction to each topic, along with lots of entertaining activities that reinforce the text, offer practice in basic skills, and are great fun to do! A caravan of animals, from albatross to zebra, shows the many ways in which animal moms give birth to and nurture their young. A fact box for quick reference and plenty of "did you know?" fun facts further enrich the text. Plus, there's a beautifully detailed, full-color sticker for every animal baby.