Green your world gradually.

That's the reasonable approach suggested by Diane Gow McDilda, author of "The Everything Green Living Book" (Adams Media, $14.95).

In keeping with its title, the book is printed on paper made from 100 percent post-consumer waste.

Among the suggestions in this guide:

If you are a dog owner, use a biodegradable bag to pick up your animal's droppings instead of those petroleum-based plastic bags. That way, the bag degrades along with the manure.

With Halloween two weeks away, Ms. McDilda recommends several ways to simplify your celebrations. Instead of spending money for a Halloween costume, raid closets or consignment shops. Overalls and a plaid shirt can be the foundation for a scarecrow. Wigs, hats and makeup can supply the rest.

If you're carving a real pumpkin to create a scary jack o' lantern, the author suggests using its meat to make muffins or a pie. Pumpkin seeds can be salted and baked and make delicious snacks.

When it's time to decorate for Christmas, buy light-emitting diode lights. While they cost about $8 more than a standard string, they last up to a decade and use less electricity.

If you are a parent eager to teach your children about a green lifestyle, Sheri Amsel has written "The Everything Kids' Environment Book" ($7.95, also by Adams Media). In addition to providing helpful tips and scientific information, the book helps children learn through mazes, connect-the-dots, word jumbles, other games and craft projects.

The children's book explains why it's better for people to bring their own tote bags to the grocery store. Plastic bags, which are made from oil, clog drains, sewers and intake fans. Plastic bags can, if blown out to sea, damage ocean animals that ingest the plastic. Paper bags made from trees grown on plantations take more energy to produce than plastic bags.

Children can learn the basics of creating a compost heap and also try making their own art paper using recycled paper grocery bags. These guides are available at major book retailers. The book also provides a useful glossary of commonly used scientific terms as well as a list of environmental organizations.