Genetics

Science of Life (Series)

Christine Petersen Author
(2014)

Flowers

21st Century Junior Library: Plants (Series)

Christine Petersen Author
(2014)

Plants We Eat

21st Century Junior Library: Plants (Series)

Christine Petersen Author
(2014)

Trees

21st Century Junior Library: Plants (Series)

Christine Petersen Author
(2014)

Plants Need Sunlight

21st Century Junior Library: Plants (Series)

Christine Petersen Author
(2014)

Fantastic Fossils

Rock On!: A Look at Geology (Series)

Christine Petersen Author
(2010)

Groovy Gems

Rock On!: A Look at Geology (Series)

Christine Petersen Author
(2010)

Mighty Minerals

Rock On!: A Look at Geology (Series)

Christine Petersen Author
(2010)

Inventing the Hybrid Car

The Spark of Invention (Series)

Christine Petersen Author
(2016)

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)

Outrageous Ores

Rock On!: A Look at Geology (Series)

Christine Petersen Author
(2010)

The Smart Kid's Guide to Divorce

The Smart Kid's Guide to Everyday Life (Series)

Christine Petersen Author
Ronnie Rooney Illustrator
(2014)

A Project Guide to Earth's...

Earth Science Projects for Kids (Series)

Christine Petersen Author
(2011)

The Smart Kid's Guide to...

The Smart Kid's Guide to Everyday Life (Series)

Christine Petersen Author
Ronnie Rooney Illustrator
(2014)

South Dakota

The United States: Past and Present (Series)

Christine Petersen Author
(2010)

The Apothecary

Social Studies (Series)

Christine Petersen Author
(2010)

The Smart Kid's Guide to Manners

The Smart Kid's Guide to Everyday Life (Series)

Christine Petersen Author
Ronnie Ronney Illustrator
(2014)

A Project Guide to Mammals

Life Science Projects for Kids (Series)

Christine Petersen Author
(2011)

The Smart Kid's Guide to Moving

The Smart Kid's Guide to Everyday Life (Series)

Christine Petersen Author
Ronnie Rooney Illustrator
(2014)

Silver

Earth's Treasures (Series)

Christine Petersen Author
(2013)

How the Legislative Branch Works

How the US Government Works (Series)

Christine Petersen Author
(2014)

Frequently Asked Questions...

FAQ: Teen Life (Series)

Christine Petersen Author
(2011)

Caffeine and Energy Drinks

Dangerous Drugs (Series)

Christine Petersen Author
(2014)

How the Judicial Branch Works

How the US Government Works (Series)

Christine Petersen Author
(2014)

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)

Investigate GemsĀ 

Geology Rocks! (Series)

Christine Petersen Author
(2020)

Discover Rocks

Geology Rocks! (Series)

Christine Petersen Author
(2020)

Unearth Fossils

Geology Rocks! (Series)

Christine Petersen Author
(2020)

Pearls

Earth's Treasures (Series)

Christine Petersen Author
(2013)

Study Soils

Geology Rocks! (Series)

Christine Petersen Author
(2020)

Yosemite

The National Parks (Series)

Christine Petersen Author
(2016)

Examine Minerals

Geology Rocks! (Series)

Christine Petersen Author
(2020)

Mount Kilimanjaro

Man Vs. Mountain (Series)

Christine Petersen Author
(2014)

Vicodin and OxyContin

Dangerous Drugs (Series)

Christine Petersen Author
(2013)

Explore Ores

Geology Rocks! (Series)

Christine Petersen Author
(2020)

Jade

Earth's Treasures (Series)

Christine Petersen Author
(2013)

Ecstasy

Dangerous Drugs (Series)

Christine Petersen Author
(2014)