Join animal moms, dads, and babies, as these animal parents teach their young ones about the world. Adult and child readers can cuddle up and read aloud and learn together in this new oyou read, I reado co-reader format. Series Overview- This high-interest, educationally vetted series of beginning readers features the magnificent images of National Geographic, accompanied by texts written by experienced, skilled children's book authors. Each reader includes a glossary and interactive features in which kids get to use what they've learned in the book. Level 1 books reinforce the content of the book with a kinesthetic learning activity. In Level 2 books readers feature slightly higher level text and additional vocabulary words. Level 3 readers have more layers of information to challenge more proficient readers. For emerging readers, the Pre-Reader level introduces vocabulary and concepts, and the Co-Reader level provides a collaborative reading experience.