Ryan Jacobson

Did you know that a scientist discovered X-rays by accident? Or that people have been taking pain medicine for more than 5,000 years? Get ready to learn the strange stories behind inventions you use every day. From the Roman warrior with a famous false hand to the Boy Scouts who made Band-Aids a big deal, you'll find out how we got the medical wonders that help us heal faster and feel better.

Introduces the study of light and vision and the steps in the scientific method and outlines simple experiments that demonstrate the basic principles of refraction, binary vision, and color, and how scientists work.

Read 28 chilling ghost stories about reportedly true encounters with the supernatural in Wisconsin. A place so haunted it was featured on national television, the spirits of long-dead gangsters and serial killers, and perhaps the most famous werewolf story in US history-Wisconsin has long been regarded as one of the most haunted states in America. This collection of ghost stories presents the freakiest, most surprising tales of the Badger State! Award-winning...

Do you want to do something exciting with your summer? What if you could earn money at the same time-even before you turn sixteen? Good news: You can get a summer job that's thrilling and challenging-whether it's working at a camp, helping out on a farm, or shining onstage. This book will show you the ins and outs of each job and give you the tips and tricks you need to get started.

Have you heard that businesses don't hire anyone younger than sixteen? Good news: that's not true! You can start working at some companies as soon as you turn fourteen. That's two whole extra years in the working world! You can snag a position at a movie theater, a fast food joint, a theme park, and more! This book will show you the ins and outs of each job and give you the tips and tricks you need to get started.

An Interactive Journey up the Food Chain Animals are adorable, but they also have a wild side. Many hunt to survive-and must avoid being hunted. This kid-friendly introduction to nature's predator-prey relationship spotlights several amazing examples. Wildlife photographer Stan Tekiela presents spectacular photos of real critters in their natural habitats, while author Ryan Jacobson explores their most interesting hunting and eating habits. • How...

This book explains the principles of light, lenses, and other key science ideas behind the technology of telescopes, binoculars, and microscopes. The book discusses the history of the inventions, their uses, and how to select one for purchase.

This book explains what a laser is and the principles of light necessary for understanding laser technology. The book also describes how lasers came to be, and how they are used, as well as what the future of lasers may hold.

This book explains how a wind turbine harnesses wind power for various uses. The text discusses the history of the technology as well as the need for wind power and how it could change our world.

Tells the story of Quaker leader William Penn, founder of the Pennsylvania Colony, whose ideas about government influenced the U.S. Constitution. Written in graphic-novel format.