inventions

Text and photographs explore the history of the telephone.

Text and photographs explore the history of the phonograph.

Eleven-year-old Kia Krumpet and four of her friends, known as the Crimson Five, compete in the Piedmont Challenge for a chance to study at the Piedmont Inventor's Prep School.

"Pirate treasure? A top secret mission? A terribly rude monkey with personal boundary and hygiene issues? Two out of three of those things sound like a dream come true to the young, clumsy, and terribly unscientific Waldo 'W.B.' Baron, when his clever inventor parents are hired to go on a secret treasure hunt. The Baron family dives into adventure with their steam-powered submarine, but they aren't prepared for the complications that occur during their trip, which include shark attacks, deep sea diving mishaps, and even a pirate's curse, all of which W.B. is lucky enough to discover, one stumble, trip, and fall at a time"--Provided by publisher.

Seventeen-year-old Sam and his friends find themselves on the run after exposing their corrupt government using a highly-effective lie-detector they invented.

Provides information on twelve significant American inventions.

"Introduces the reader to big machines."--.

Seventeen-year-old Astrid Sullivan belongs to a family of compulsive gamblers, and now that her father has been laid off from his job in Detroit and lost all their money betting on the Titans, which are half-horse, half car, and race around impossible tracks, her family is falling apart--but when Astrid's new friends give her the chance to participate in this year's Titan races, she thinks she sees a way to win some money and keep her family together.

"Many of the products we use every day were invented by African Americans, although these inventors unfortunately have not often been given credit for their contributions. Readers will take a fascinating look at the black men and women who have helped shape the world as we know it today with their inventions. Engaging text presents a discussion of the lives of prominent black inventors, including the struggles they dealt with in the past and continue to face today. A timeline of important dates, historical and contemporary images, and informative sidebars enhance this frequently overlooked area of history"--Provided by the publisher.

"Introduces the reader to big machines."--.