David M Schwartz

Text and pictures try to make possible the conceptualization of a million, a billion, and a trillion.

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

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

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

Introduces, in simple text and photographs, the characteristics of some of the trees and animals that can be found in a forest. Includes a caterpillar, raccoon, yellow warbler, owl, squirrel, a white pine and an oak.

Introduces, in simple text and photographs, the characteristics of a variety of flowers and some of the birds and insects that need flowers to survive. Includes the sunflower, bleeding heart, daylily, rose, bumblebee, butterfly, and hummingbird.

Explores the world of pigeons, rabbits, squirrels, swans, and other animals living among the grass and burdocks of a park.