A pair of polar bears : twin cubs find a home at the San Diego Zoo /
by Joanne Ryder ; photos by the world-famous San Diego Zoo.
- New York : Simon & Schuster Books for Young Readers, c2006.
- 1 v. (unpaged) : col. ill., map ; 23 x 29 cm.
The true story of three-month-old polar bears who were orphaned in Alaska and then brought to a new home at the San Diego Zoo.