Martha London
Saving Green Sea Turtles
A clear, engaging introduction to marine conservation that turns abstract environmental concepts into tangible actions kids can understand.
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Beetles (Minibeasts)
by Claire Llewellyn
Nonfiction · ages 4–8 · 520L · 2002
Solid nonfiction entry point for bug-curious kids — clear photos, simple facts, and enough variety to spark real observation without overwhelming.

Dolphins
by Margaret Davidson
Nonfiction · ages 6–9 · 520L · 1985
A solid, no-nonsense dolphin primer from the Scholastic backlist — clear structure, real biology, and the illustrations do serious work carrying kids through the facts.

National Geographic Kids: Sharks
by Anne Schreiber
Nonfiction · ages 6–9 · 620L · 2008
Solid, photo-heavy shark encyclopedia that satisfies kids' obsession with the subject without sensationalizing; National Geographic's reliable formula at its best for this age.