Soil

Who Was Thomas Jefferson?

Rock Cycle

What Can a President Really Do?: A Good Answer to a Good Question

Crystals

Dionysus

Sedimentary Rocks

The Complete Book of Presidents & States, Grades 4 - 6

Science Lab: The Life Cycles of Plants

The Periodic Table Book: A Visual Encyclopedia of the Elements

The Young Investigator's Guide to Ancient Aliens

Basher Science: The Complete Periodic Table

Sacagawea

The Untold History of the United States, Volume 1: Young Readers Edition, 1898-1945

The Kid's Book of the Elements: An Awesome Introduction to Every Known Atom in the Universe

Hermes

Basher Science: The Periodic Table: UK Edition

U.S. History Maps, Grades 5 - 8

Fighting Fire!: Ten of the Deadliest Fires in American History and How We Fought Them

The Who Was? History of the World