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Readers may never expect that they might free fall to Earth, but if they have ever dived into a pool, that's exactly what they've done. This book shows readers how Newton's three laws of motion affect divers, skydivers, and mountain climbers' movements. Readers discover who uses gravity, and who works against it, and all other forces that contribute to a successful dive or climb. After reading this book, readers can decide if they will ever be interested in engaging in one of these extreme sports.

As a land that’s constantly in flux, Earth sometimes reveals clues about the plants, animals, and other organisms that lived long ago. Fossils teach us much about what life was like millions of years ago, answering the questions of how Earth changed and maybe even why it changed. This essential Earth science topic is thoroughly explained through manageable text, fact boxes, informational charts and diagrams, and a glossary and index. Readers will become young Earth detectives by the time they’re through with this text!

800x600 Boys can be anything they want to be! This timely book joins and expands the gender-role conversation and gives middle-grade boys a welcome alternative message: that masculinity can mean many things. You won't find any stories of slaying dragons or saving princesses here. In Stories for Boys Who Dare to Be Different, author Ben Brooks-with the help of Quinton Wintor's striking full-color illustrations-offers a welcome alternative narrative: one that celebrates introverts and innovators, sensitivity and resilience, individuality and expression. It's an accessible compilation of 75...

A lo largo de mi vida he sido un poco de todo: marchante de arte, predicador en una región minera, profesor de idiomas, vendedor de libros . . . pero, por encima de todo, pitar ha sido mi verdadera pasión. Algunos me conocen como "el loco del pelo rojo" . . . ¿Quieres saber por qué?