Wedges were some of the first tools humans ever created! Today, these simple machines are found all around, from doorstops to our own front teeth. Diagrams and simple text explain how wedges work, while experiments allow readers test the machines for themselves. Move through the history of wedges, from hand axes to handsaws, in this fascinating title for beginning readers.

Screws are more than just the tools that hold pieces of wood together. They drill holes, lift cars, and even pump water! Students will learn about the functions of these amazing machines and put their knowledge to use with easy experiments. Diagrams provide visual explanations in this leveled title.

Levers are found in many places, including your own body! From shovels to arms, levers help us get work done. This title explores the history of levers, the forces that make them work, and where they are found in everyday life. Diagrams and simple experiments allow for different avenues of learning in title for beginning readers.

This title examines Facebook, the social media website. Readers will learn about company history and development, how Facebook operates, issues the company faces such as cyberbullying, and its impact on society. Key components such as News Feed and Like are also explored. Color photos accompany easy-to-read, compelling text. Features include a company profile, mini bios of company founders, timeline, fast facts, informative sidebars, and section on...

In this title, unwrap the life of talented McDonald's restaurants builder, Ray Kroc! Readers will enjoy getting the scoop on this Food Dude, beginning with his childhood in Oak Park, Illinois. Students can follow Kroc's success story from his education at Oak Park and River Forest High School to his careers with WGES radio station, the Lily-Tulip Cup Company, and the Malt-A-Mixer Company. Kroc's family and his retirement years are also highlighted....

In this title, unwrap the lives of talented Ben & Jerry's Homemade ice cream manufacturers, Ben Cohen and Jerry Greenfield! Readers will enjoy getting the scoop on these Food Dudes, beginning with their childhood in Merrick, New York. Students can follow their success story from Greenfield's education at Oberlin College and Cohen's job at Highland Community School to their various jobs in between. Cohen and Greenfield's efforts to open their first...

In this title, unwrap the life of talented Wrigley's chewing gum founder, William Wrigley Jr.! Readers will enjoy getting the scoop on this Food Dude, beginning with his childhood in Philadelphia, Pennsylvania. Students can follow Wrigley's success story from the start of his sales career with the Wrigley Manufacturing Company to his establishment of Wrigley Chewing Gum and later the William Wrigley Jr. Company. Wrigley's family and his retirement...

In this title, unwrap the lives of talented Kellogg's cereal pioneer, Dr. John Harvey Kellogg and W.K. Kellogg! Readers will enjoy getting the scoop on these Food Dudes, beginning with their childhood in Battle Creek, Michigan. Students can follow their success story from John's education at Bellevue Hospital Medical College and W.K.'s career as a broom salesman to their work together at the Battle Creek Sanitarium that led to the first flaked cereal...

In Motorcycles, early fluent readers learn about the science, engineering, and physics behind a speeding motorcycle. Vibrant, full-color photos and carefully leveled text engage young readers as they learn about these exciting machines. A diagram illustrates parts of a motorcycle, and an activity offers kids an opportunity to extend discovery. Children can learn more about motorcycles using our safe search engine that provides relevant, age-appropriate...

In this title, readers will examine the technology used by military forces during the Civil War. Engaging text introduces readers to edged weapons, rifle-barreled guns, Minié balls, repeating carbines, cannons, howitzers, mortars, ironclad ships, the Gatling gun, the telegraph machine, and the roles they played in military campaigns. A short history of the war is also included. Aligned to Common Core standards and correlated to state standards. Checkerboard...