SCIENCE
Rake, Jody Sullivan

Roots, Bulbs, and Bacteria: Growths of the Underground

(3) K-3 First Facts: Underground Safari series. Nine two-page sections introduce underground, edible plant parts; explain the difference between shoots and roots, bulbs and tubers; and tell how bacteria and microbes enrich the soil. Left-hand pages have short paragraphs of text; right-hand pages have clear, close-up photos of plant parts. "Dig In!" boxes add quirky facts (e.g., peanuts are legumes not true nuts). Common Core questions are appended. Reading list. Glos., ind.

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