"Introduces the topic of simple machines through the familiar tune 'Kookaburra'"--Summary provided by publisher.

"When scientist-in-the-making Madeline Little starts sixth grade, she soon learns that middle school is nothing like a perfect lab experiment--and that she now has to find the cure for her newly messed-up life"--

Cleverly shows how Leonardo's ideas foreshadowed modern inventions. At once an artist, inventor, engineer, and scientist, Leonardo da Vinci wrote and drew detailed descriptions of what would later become hang gliders, automobiles, robots, and much more.

Introduces robots and the science behind these amazing machines, including a historic timeline of robot development, common jobs robots perform in the workplace and at home, and robots of the future.

The author describes his experiences in the presence of extraterrestrial beings, featuring photographs, witness statements, lab reports, and more.

Welding is a skill that any do-it-yourself enthusiast needs in his or her arsenal. How to Weld is the perfect introduction for newbies and an excellent refresher for veteran welders-a work so comprehensive that most readers won't need any further instruction. In How to Weld, a bestselling installment in the Motorbooks Workshop series, AWS-certified welding instructor Todd Bridigum thoroughly describes process and art of fusing metals, including: •...

"This picture book biography of Chester Greenwood explores the invention of the earmuffs and the patenting process"--

Twelve-year-old Jasper and his friends are the first group of cadets, called Bounders, to be trained as astronauts who use new spaceships to teleport, but soon are forced to go up against an alien society seeking revenge for stealing this brain-sync technology.

Olga decides she would like to figure out what planet Meh is from and begins to conduct some research on space travel.

"To date, everything written about Armstong's life and flights has been written from the outside looking in; Barbree is the only person whom Neil Armstrong trusted to share close personal details about his inspiring life story. Working from his years ofnotes, and with the full cooperation of the Armstrong family, Barbree has written the definitive biography of America's most famous astronaut and one of our greatest modern heroes. Much has already...