Oscar and the Frog: A Book About Growing (Start with Science)

Oscar and the Moth: A Book About Light and Dark (Start with Science)

Oscar and the Bat: A Book About Sound (Start with Science)

Oscar and the Bird: A Book about Electricity (Start with Science)

Oscar and the Cricket: A Book About Moving and Rolling (Start with Science)

Oscar and the Snail: A Book About Things That We Use (Start with Science)

From Tadpole to Frog (Let's-Read-and-Find-Out Science 1)

Safari Ltd Life Cycle of a Frog

Science Vocabulary Readers Set: Life Cycles: Exciting Nonfiction Books That Build Kids' Vocabularies (Scholastic Science Vocabulary Readers) by Elizabeth Bennett (2013-05-03)

National Geographic Readers: Frogs!

Newton and Me (Arbordale Collection)