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Author
Language
English
Formats
Description
"An apple floats in a tub of water, but a ball of aluminum foil sinks to the bottom. But wait. If that same ball of foil is flattened out and shaped into a boat, it floats! How can that be? David A. Adler's clear, concise text and Anna Raff's delightful illustrations explain the basic principles of flotation and density in a way that will really sink in"--
2) Bird guide of North America: the best birding book for kids from National Geographic's bird experts
Author
Series
Language
English
Description
Profiles one hundred bird species from coast to coast, offers information about topics ranging from bird calls to behaviors, and provides complementary sidebars, range maps, and instructions for building birdhouses and bird feeders.