Introduces young readers to the mechanical science of jet planes that recreates an airplane ride while explaining how powerful engines, specially designed wings, and cockpit controls work together to enable a jet's flight.

Presents an illustrated look at the step-by-step building of a thirteenth-century Gothic cathedral. "Readers worldwide recognize David Macaulay's imaginary Cathedral of Chutreaux. Originally published in 1973, this critically acclaimed book has since been translated into a dozen languages and remains a classic of children's literature and a touchstone for budding architects. Cathedral's numerous awards include a prestigious Caldecott Honor and designations...

Text and numerous detailed illustrations introduce and explain the scientific principles and workings of hundreds of machines.

Follows a tour of the bathroom and the sewer system, from the family toilets to municipal water treatment plants.

"By crossing a road, a chicken sets off a series of wild events, in which the Anderson twins blow up their bathroom and the brave young Hooper lad is rolled up and delivered inside an Oriental rug." --

Sloth and Sengi are friends. they have grown up together in the zoo, and know every bit of their enclosure. And, frankly, they are a little bored with it. So they begin to plan an escape, with the help of some simple machines ... This book introduces such simple machines as levers, gears, planes, and pulleys.

"El cuerpo humano está formado por diversos sistemas muy complejos: el circulatorio, el respiratorio, el linfático, el digestivo, el nervioso ... Y todos tienen que trabajar en perfecta sincronía para mantenernos con vida y funcionando como lo hacemos. Este libro nos lleva en una fascinante travesía a través de nuestra propia esencia, para que podamos no sólo comprender, sino gozar un viaje asombroso a través de la máquina más importante...

A science book like no other, The Where, the Why, and the How turns loose 75 of today's hottest artists onto life's vast questions, from how we got here to where we are going.

The inhabitants of Mammoth Island are trying to find the best method to lift their mammoths when a young Islander uses a simple machine called a pulley to get the job done. A pulley is a wheel that carries a rope, chain or cable on its rim and can be used alone or with other pulleys to lift heavy loads.