This book contains kid-tested cool top secret spy projects using biology, chemistry, and physics and will inspire young science buffs to experiment with their own ideas. Kids will learn how to Observe, Hypothesize, Test, and draw a Conclusion by using The Scientific Method. Included with the experiments are detailed step-by-step instructions with original photography, material lists, an explanation of the science behind the fun, real-world applications of the principles behind the project, tips and project variations, and suggestions of what to keep track of in a science journal. A glossary and index is also included.

After foiling a gang of kidnappers and fending off an army of robots, 11-year-old siblings Nick and Tesla Holt could use a little rest! But as their third mystery opens, they discover there’s a spy in their midst, searching for secrets in the home of their beloved (and slightly crazy) Uncle Newt. Is it the new laboratory assistant? The exterminator? The housekeepers? Or someone completely unexpected? To expose the mystery agent, Nick and Tesla must engineer all kinds of outrageous contraptions, from code wheels and fingerprint powder to spy cameras and burglar detectors. Best of all, instructions are included throughout the story, so you can build the projects, too!

A valuable, one-stop guide to collection development and finding ideal subject-specific activities and projects for children and teens. For busy librarians and educators, finding instructions for projects, activities, sports, and games that children and teens will find interesting is a constant challenge. This guide is a time-saving, one-stop resource for locating this type of information—one that also serves as a valuable collection development tool that identifies the best among thousands of choices, and can be used for program planning, reference and readers' advisory, and curriculum support. Build It, Make It, Do It, Play It! identifies hundreds of books that provide step-by-step instructions for creating arts and crafts, building objects, finding ways to help the disadvantaged, or engaging in other activities ranging from gardening to playing games and sports. Organized by broad subject areas—arts and crafts, recreation and sports (including indoor activities and games), and so forth—the entries are further logically organized by specific subject, ensuring quick and easy use.

James Bond may be one of the good guys, but the spies in this book definitely aren't—nor are the traitors and assassins! Crack open this book to uncover more secrets about history's most terrible assassins, traitors, and spies.

Describes the skills, equipment, and techniques that spies use. Includes activities and experiments.