Sarah Machajewski

"Many factors affect the development of cities including geography and natural resources, history, and culture. This book takes an in-depth look at some of Colorado's most important cities, their histories, why they are located where they are, and how their economies, industries, and populations have changed over time. Informative text, full color photographs, and primary source documents lead students in understanding how Colorado's major cities...

"If you haven't pictured fish on a farm, think again! Fish are unusual farm animals, but they're also one of the most interesting. Young readers with an interest in animals will delight in this title, which explores the fascinating world of raising fish on the farm. Paired with colorful images, the age-appropriate text teaches readers all about fish, how to care for them, and the role they play on a farm. By the end of the text, readers will be inspired...

The secret is out! Plants are some of the wild kingdom's fiercest predators. Young plant lovers will delight in learning all about carnivorous plants. Through engaging language and high impact photographs, this book covers predatory plants' life cycles, where in the world they're found, and the secretive methods they use to catch their prey. By the end of this book, readers will know to think twice about unsuspecting plants, and be inspired to investigate...

Funky, fascinating...and freaky! These are just some of the words that describe the captivating and sometimes strange world of scientific discovery. Worms with two heads, fruit that conducts electricity, and miniature brains that grow in petri dishes are a few of the totally weird topics in this volume, which demonstrates to readers just how bizarre science can be. While examining scientific peculiarities, readers will come to understand more about...

"[P]resents the history of U.S. treaties with Native Americans in a sensitive and enlightening way. From treaties created in colonial times, through the Civil War, and to those that guide relations today, readers will learn the real story behind landmark events in U.S. history, as well as their historical impact and legacy."--

Presents information about a group of courageous activists, called the Freedom Riders and how they fought for human equality

Articles of the Constitution.

Briefly descibes lifecycle and importance of coral.

This book will introduce readers to fractions through relatable contexts and clear explanations. Straightforward visuals will help students to fully grasp the concept of fractions as being multiple parts of a whole. Accessible text and an engaging storyline make fractions easy to understand and apply to everyday life. Readers follow the narrator as she helps cook a dinner, learning about fractions along the way.

"Weather has the ability to shape our planet. Floods may alter Earth's landscape suddenly and dramatically. Erosion causes subtle changes over a longer period of time. This book explores some of the most incredible forces on Earth, including extreme weather, erosion, and floods. Students will be amazed at how our planet has changed over billions of years, as well as how it has changed in an instant. Full-color photographs and primary sources highlight...