A polar bear can swim, but it can't sleep upside down. A bat can sleep upside down, but it can't fly backward. From the polar bear to the bat, hummingbird, cow, and whale, discover the amazing things animals can do in this Science Easy-to-Read book.
'...These books are easily read by beginning readers, and their reading-level labels make it easy for parents and teachers to match the right book with the right child.'
Jim Trelease, author of The Read-Aloud Handbook