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.

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

A sixty-six-year-old grandfather, barred from entering the 1000-mile Tour of Sweden because of his age, unofficially joins the bicycle race and, to the delight of his countrymen, emerges victorious.

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.

Examines the life in and around a pond, including bullfrogs, crayfish, and snapping turtles.

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.

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.

Explores counting by powers of ten all the way up to the largest numbers that exist.