Key Features Description Polar bear babies wake up, learn to fish, swim, walk on the ice, and run. Polar bear babies wake up, learn to fish, swim, walk on the ice, and run. Product Details Item #: NTS930922 ISBN13: 9780439309226 Format: Paperback Book Pages: 32 Genre: Informational Text Grades: K - 2 Lexile® Measure: 200L Guided Reading Level: GR Level F DRA Level: 10 ACR Level: 1.2 Key Features Item #: NTS930922 ISBN13: 9780439309226 Format: Paperback Book Pages: 32 Genre: Informational Text Grades: K - 2 Lexile® Measure: 200L Guided Reading Level: GR Level F DRA Level: 10 ACR Level: 1.2