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Gr 3–6—Whether traveling up and down a mountain (Dall sheep) or flying from one end of the Earth to the other (Arctic tern), animals migrate for a variety of reasons across land, sea, and air...
Gr 5–10—Tackling intriguing and sometimes controversial topics, these hi/lo titles provide a thorough, yet approachable exploration of their subjects...
Gr 2–3—Stretching its premise very close to the breaking point, particularly in Dumbest Dinosaurs ("With a small brain and a big body, Apatosaurus may have been really dumb...
K-Gr 3—This series highlights salient aspects of each season with descriptive text and a pleasant array of photos: colorful leaves, animals in snow, green buds, and bright blue skies...