David M Schwartz

Describes the various forms which money can take, including coins, paper money, and personal checks, and how it can be used to make purchases, pay off loans, or build interest in the bank.

Learn about the life cycle of the monarch butterfly.

Introduces the concept of ratio by comparing what humans would be able to do if they had bodies like different animals.

Introduces, in simple text and photographs, the characteristics of various animals that live in the desert. Includes a coyote, gecko, rattlesnake, mouse, scorpion, and tarantula.

The amazing transformation of Jack from grinning pumpkin to mold-mottled wreckage to hopeful green shoot tells the story of decomposition. Features a teacher guide.

Presents poems and brief facts about eleven animals that rely on the ability to camouflage within nature to survive in the wilderness.

Explains the meaning of mathematical terms which begin with the different letters of the alphabet from abacus, binary, and cubit to zillion.

Introduces, in simple text and photographs, the characteristics of some of the animals and plants that can be found in the forest. Includes a chipmunk, box turtle, fern, bull moose, moth, ermine, and white birch.