Machines at Work
by Mary Elting
Publisher: Harvey House 1962
Number of pages: 100
People have always been able to work and build wonderful things, using just their muscles. And they can do a very great deal more when they use their brains, too. They can invent machines to make work thousands of times easier and faster.
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by Frank M. Chapman - D Appleton & Company
Birds are the greatest travelers in the world. The bird traveler asks help from no one. He has no use for locomotives, automobiles or steamships. He carries no chart and no compass, and he can go to some parts of the world still unknown to man.
by John Blaine - Applewood Books
A non-fiction companion volume to the collectible Rick Brant Science-Adventure Series. This reprint includes easy-to-read chapters about codes and ciphers, slingshots and archery, microscopes and radios, tricks and games, and scientific experiments.
by David Peters - Random House
A superbly illustrated book of the biggest animals, both living and extinct, that have inhabited the world. The animals are drawn to scale, as are the humans included in each picture to show proportion. This makes any number of comparisons possible.
A free children's book from the Wikibooks community. Wild cats are some of Earth's grandest treasures, and their stories excite the imagination of kids of all ages. Wikijunior Big Cats helps to explore this fascinating family.