THE MEDIA DEVELOPMENT GROUP: Excerpt from an advertisement for Chinese Exercise Balls from The Lifestyle Resource. Copyright © 1989 The Lifestyle Resource, The Media Development Group, Norwalk, Conn. Reprinted by permission.
NATIONAL GEOGRAPHIC SOCIETY: Chapter entitled «How to Watch the Sky» by Diane Ackerman from The Curious Naturalist. Copyright © 1988 by the National Geographic Society. Reprinted by permission of the National Geographic Society.
THE NEW YORK TIMES: Excerpt from an article by Daniel Goleman from February 2, 1988. Copyright © 1988 by The New York Times Company. Reprinted by permission.
STERLING LORD LITERISTIC, INC.: Excerpt from Curious World by Philip Hamburger. Copyright © 1987 by Philip Hamburger. Reprinted by permission of Sterling Lord Literistic, Inc.
VINTAGE BOOKS, A DIVISION OF RANDOM HOUSE, INC.: Excerpts from Speak, Memory by Vladimir Nabokov. Copyright © 1967 by Vladimir Nabokov. Reprinted by permission of Vintage Books, a division of Random House, Inc.