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Outrageous Ores

Rock On!: A Look at Geology (Series)

Christine Petersen Author
(2010)

Silver

Earth's Treasures (Series)

Christine Petersen Author
(2013)

Fantastic Fossils

Rock On!: A Look at Geology (Series)

Christine Petersen Author
(2010)

Mighty Minerals

Rock On!: A Look at Geology (Series)

Christine Petersen Author
(2010)

Diamonds

Earth's Treasures (Series)

Christine Petersen Author
(2013)

Gold

Earth's Treasures (Series)

Christine Petersen Author
(2013)

Turquoise

Earth's Treasures (Series)

Christine Petersen Author
(2013)

Groovy Gems

Rock On!: A Look at Geology (Series)

Christine Petersen Author
(2010)

Pearls

Earth's Treasures (Series)

Christine Petersen Author
(2013)

Genetics

Science of Life (Series)

Christine Petersen Author
(2014)

Rockin' Rocks

Rock On!: A Look at Geology (Series)

Christine Petersen Author
(2010)

Super Soils

Rock On!: A Look at Geology (Series)

Christine Petersen Author
(2010)

Jade

Earth's Treasures (Series)

Christine Petersen Author
(2013)