Key Features Description When Caribou tells Polo that his mother loves him with all her heart, Polo is curious. How is this possible? he wonders. He asks several of his Arctic friends and discovers each mother loves her baby in her own way. He finds that his own mother loves him with her whole body, but, more than anything else, loves him with all her heart. When Caribou tells Polo that his mother loves him with all her heart, Polo is curious. How is this possible? he wonders. He asks several of his Arctic friends and discovers each mother loves her baby in her own way. He finds that his own mother loves him with her whole body, but, more than anything else, loves him with all her heart. Product Details Item #: NTS973583 ISBN13: 9780439735834 Format: Paperback Book Pages: 32 Grades: Pre-K - 2 Lexile® Measure: AD310L Guided Reading Level: GR Level K DRA Level: 16 - 18 ACR Level: 2.7 Key Features Item #: NTS973583 ISBN13: 9780439735834 Format: Paperback Book Pages: 32 Grades: Pre-K - 2 Lexile® Measure: AD310L Guided Reading Level: GR Level K DRA Level: 16 - 18 ACR Level: 2.7