11 books • 5 series
Matter (New Gems)
Living with a Star
Electric Circuits
Life Through Time (LHS GEMS Guides)
Ocean Currents
Environmental Detectives (Great Explorations in Math & Science)
Messages from Space (Great Explorations in Math & Science)
Learning about Learning (Great Explorations in Math and Science (Gems))
Dry Ice Investigations (Great Explorations in Math & Science)
Mystery Festival (Great Explorations in Math & Science)
Oobleck (Great Explorations in Math & Science) (Great Explorations in Math & Science)