"A rubber duck floats in the tub. A rock sinks to the bottom of a lake. Why do some objects float and others sink? Find out in this series about materials and t

Cooper has the clever idea of making his mom pancakes for her birthday, and his friend the moose offers to help. The moose claims he's the best chef in Alaska,

Read Along or Enhanced eBook: Vibrant photographs and accessible text introduce young scientists to the concept of density. Readers are encouraged to explore wh

Audisee® eBooks with Audio combine professional narration and text highlighting for an engaging read aloud experience! A rock sinks in the water. A hot air bal

Repetitive, predictable story lines and illustrations that match the text provide maximum support to the emergent reader. Engaging stories promote reading compr