Provides an overview of soil, discussing its formation, composition, and uses.

"Compost Science for Gardeners demystifies the full range of composting methods and helps readers determine or select the best technique for their situation. This comprehensive, plain-language, science-based book covers everything from the inputs required to the beneficial impacts on the environment and soil health."--

Describes briefly the characteristics of the various animals that live underneath the soil.

"Up in the garden, the world is full of green--leaves and sprouts, growing vegetables, ripening fruit. But down in the dirt there is a busy world of earthworms digging, snakes hunting, skunks burrowing, and all the other animals that make a garden their home. In this exuberant book, discover the wonder and activity that lie hidden between the stalks, under the shade of leaves . . . and down in the dirt."--

Sid and his friends learn about the world around them by observing, comparing, measuring, and other fun ways to get answers to questions and solve problems. Sid finds out what dogs are doing when they bark, why dirt is so dirty, why insects live where they do, and what purpose leaves have.