Kategoria BISAC: Juvenile Fiction >> Technology - General

From the treasured author of Harold and the Purple Crayon, Crockett Johnson, comes another adventure for Harold and his magical purple crayon.

One night Harold, with his trusty purple crayon, decides to go to on a voyage to Mars. He flies past planets, comets, and even the moon. But will Harold arrive safely back on earth, just in time for breakfast?

-Very zany adventures of the very resourceful Harold.- --Library Journal

Why do you get sleepy?

When you feel tired, your body is telling you that it needs a rest. Everyone needs sleep. Babies need lots of sleep. Grown-ups need less. But no one can go without sleep for long. A team of scientists stayed awake for as long as they could to see what could happen. Read and find out some wide-eyed facts about the science of shut-eye.

A Matter of Life or Death

It's 1849, and twelve-year-old, Lucas Whitaker is all alone after his whole family dies of a disease called consumption which has swept through the community. Lucas is grief-stricken and filled with guilt. He might have saved his mother, who was the last to die, if only he had listened to news of a strange cure for this deadly disease.

Unable to manage the family farm by himself, Lucas finds work as an apprentice to Doc Beecher, doctor, dentist, barber and undertaker. Doc amputates a leg as easily as he pulls a tooth, yet when it comes to...

Popsicles, potato chips, Silly Putty, Velcro, and many other familiar things have fascinating stories behind them. In fact, dozens of products and everyday items had surprisingly haphazard beginnings. Mistakes That Worked offers forty of these unusual tales, along with hilarious cartoons and weird and amazing facts. Readers will be surprised and inspired

When Ms. Frizzle ordered skeleton costumes for us, some of the bones were missing. We headed for the Hugh Mann Costume Company to look for them. There, we learned why we need our skeletons, what different bones are for, and what makes them grow. But why was that strange skeleton following...

Time Flies, a wordless picture book, is inspired by the theory that birds are the modern relatives of dinosaurs. This story conveys the tale of a bird trapped in a dinosaur exhibit at a natural history museum. Through Eric's use of color, readers can actually see the bird enter into a mouth of a dinosaur, and then escape unscathed.

The New York...

What if a boring lesson about the food chain becomes a sing-aloud celebration about predators and prey? A twinkle-twinkle little star transforms into a twinkle-less, sunshine-eating-and rhyming Black Hole? What if amoebas, combustion, metamorphosis, viruses, the creation of the universe are all irresistible, laugh-out-loud poetry? Well, you're thinking in science verse, that's...