Christine Petersen

This title introduces young readers to pearls, the gem formed inside the shell of an oyster! Learn how pearls are formed and where they are found. Historic and modern collection methods are detailed, both natural and cultivated. The use of pearls as a gemstone is examined including different colors. See how artisans and lapidaries create beautiful and useful jewelry with this beautiful gem. Finally, a list of tools and tips will set young rock...

Who makes up the House of Representatives and the Senate? What kind of power does Congress have? Find the answers to these questions and more in this title. Primary sources with accompanying questions, multiple prompts, Important Dates section, index, and glossary also included. Aligned to Common Core Standards and correlated to state standards. Core Library is an imprint of Abdo Publishing, a division of ABDO.

This title introduces young readers to gold, the metal that can stay shiny for thousands of years. Learn how gold is formed and where it is found. Historical and modern mining methods are detailed, including the discovery of kimberlite pipes. The many uses of gold are examined, from industrial applications in products such as electronics to illuminated manuscripts and space telescopes. See how artisans such as goldsmiths and lapidaries use gold...

Life on Earth is endlessly amazing and complex. Learn about genetics with well-researched, clearly written informational text, primary sources with accompanying questions, charts, graphs, diagrams, timelines, and maps, multiple prompts, and more. Aligned to Common Core Standards and correlated to state standards. Core Library is an imprint of ABDO Publishing Company.

What are the biggest living things on Earth? Did you guess whales or elephants? The winner is not an animal at all. It is a kind of tree called the coast redwood. Using hands on activities, young readers will be introduced to the amazing world of trees.

More commonly known as 'E', ecstasy or MDMA is a psychoactive drug which in users produces increased empathy, euphoria, and an altered sense of time. Ecstasy is illegal in most of the world, however studies continue to pursue ecstasy and its help in the treatment of PTSD. As an uncontrolled substance however, this drug is dangerous and over time can alter brain chemistry, increase depression and anxiety, and effect the nervous system. This timely...

2017 brought a lot of big changes to America; one of most alarming changes was that several cities are in an all-out epidemic of OxyContin and Vicodin epidemic. People are dying from over-use and abuse. This book helps readers understand why these prescription drugs are dangerous when mis-used, and even dangerous when prescribed. Real-life stories of teens who used OxyContin and Vicodin and the realities they faced are shared so it really hits home...

Compelling narrative nonfiction text presents the story of the hybrid car's invention: why there was a need for it, its design and testing, the science behind it, and its lasting impact. Additional features to aid comprehension include a table of contents, fact-filled captions and callouts, infographics, a glossary, sources for further research, a listing of source notes, and an introduction to the author. Author/Illustrator biography| Index| Infographics|...

Flowers look like pretty decorations. Did you know that they also have an important job? Flowers make seeds. Inside each seed is a tiny new plant. Using hands on activities, young readers will be introduced to the amazing world of flowers.

South Dakota is filled with beautiful views, from the Badlands to the Black Hills. It carries with it a sense of history that began with the Paleo-Indians 11,000 years ago. This colorful book takes readers on a journey of the history, culture, economy, and government of South Dakota, from the past to the present. Unique sidebars and timelines support the narrative.