Publications

Here is a complete list of my published books:

• When the Wolves Returned: Restoring Nature's Balance in Yellowstone, with photos by Dan Hartman and Cassie Hartman, 2008 (Walker, 6 and up)
• The Buffalo and the Indians: A Shared Destiny, with photos by William Munoz, 2006 (Clarion, 10 and up)
  
• Big Cats, with art by Kendahl Jan Jubb, 2005 (Walker, 6-10)
  
• White-Tailed Deer, with photos by William Munoz, 2005 ((Lerner, 5-8)
  
• Garden of the Spirit Bear, with art by Deborah Milton, 2004 (Clarion, 8-12)
  
• The Right Dog for the Job, with photos by William Muñoz, 2004 (Walker, 6-10)
  
• Colorful Captivating Coral Reefs, with art by Kendahl Jan Jubb, 2003 (Walker, 6-10)
  
• Fabulous Fluttering Tropical Butterflies, with art by Kendahl Jan Jubb, 2003 (Walker, 6-10)
  
• Plants on the Trail with Lewis and Clark, with photos by William Muñoz, 2003 (Clarion, 10 and up)
  
• Life in a Desert, with photos by William Muñoz, 2003 (Lerner, 10 and up)
  
• Life in a Grassland, with photos by William Muñoz, 2002 (Lerner, 10 and up)
  
• The Lewis and Clark Trail Then and Now, with photos by William Muñoz,  2002, (Dutton, 10 and up)
  
• Animals on the Trail with Lewis and Clark, with photos by William Muñoz,  2002 (Clarion, 10 and up)
  
• Llamas, with photos by William Muñoz,  2002,  (Lerner, 5-8)
  
• A Polar Bear Biologist at Work, 2001 (Franklin Watts, 8 and up)
  
• Saving the Prairie Bandit, 2001 (Franklin Watts, 8 and up)
  
• Charles Darwin: The Life of a Revolutionary Thinker, 2001 (Holiday House, 10 and up)
  
• Horses, with photos by William Muñoz, 2001 (Lerner, 5-8)
  
• The Bald Eagle Returns, with photos by William Muñoz, 2000 (Clarion, 9-12)
  
• Slinky Scaly Slithery Snakes, with art by Kendahl Jan Jubb, 2000 (Walker, 5 8)
  
• Shaping the Earth, 2000, with photos by William Muñoz (Clarion, 10 and up)
  
• Polar Bears, 2000, with photos by William Muñoz (Carolrhoda, 6-10)
  
• A Is for Apple, 1999, with Greg Patent (Broadway Books, adult level cookbook)
  
• Treasures of the Spanish Main, 1999 (Benchmark, 8-12)
  
• The Incredible Story of China's Buried Warriors, 1999 (Benchmark, 8-12)
  
• Lost City of Pompeii, 1999 (Benchmark, 8-12)
  
• Wild Turkeys,1999, with photos by William Muñoz (Lerner, 5-8)
  
• Great Ice Bear: The Polar Bear and the Eskimo, with art by Anne Wertheim, 1999 (HarperCollins, 9 and up)
  
• Fire: Friend or Foe, 1998, Clarion, with photos by William Muñoz (Clarion, 9 and up)
  
• Bold and Bright Black and White Animals, 1998, with art by Kendahl Jan Jubb (Walker, 5-8)
  
• Homesteading: Settling America's Heartland, 1998, with photos by William Muñoz (Walker, 8-12)
  
• In Search of the Maiasaurs,1998 (Benchmark Books, 8-12)
  
• Mystery of the Lascaux Cave, 1998 (Benchmark Books, 8-12)
  
• Secrets of the Ice Man, 1998 (Benchmark Books , 8-12)
  
• Wild Turkeys, 1998, with photos by William Muñoz (Lerner, 5-8)
  
• Alex and Friends: Animal Talk, Animal Thinking, 1998, with photos by William Muñoz (Lerner, 9 and up)
  
• The Book of Garden Secrets, 1997, with Diane E. Bilderback (adult nonfiction, Firefly Books; revised edition of Garden Secrets)
  
• Apple Trees, 1997, with photos by William Muñoz (Lerner, 6-8)
  
• Flashy Fantastic Rain Forest Frogs, 1997, with art by Kendahl Jan Jubb (Walker, 5-8)
  
• Pigeons, 1997, with photos by William Muñoz (Clarion, 9 and up)
  
• Back to the Wild, 1997, with photos by William Muñoz (Harcourt, 8-12)
  
• Biodiversity, 1996, with photos by William Muñoz (Clarion, 9 and up)
  
• Children Save the Rain Forest, 1996, with photos by Dan L. Perlman (Cobblehill, 8-12)
  
• Quetzal: Sacred Bird of the Cloud Forest, 1996, with art by Neil Waldman (Morrow, 8-12)
  
• Prairies, 1996, with photos by William Muñoz (Holiday House, 6-9)
  
• West by Covered Wagon, 1995, with photos by William Muñoz (Walker, 6 10)
  
• Eagles of America, 1995, with photos by William Muñoz (Holiday House, 6 9)
  
• Return of the Wolf, 1995 (fiction, Clarion, 9 and up)
  
• Why Mammals Have Fur, with photos by William Muñoz,1995 (Cobblehill/Dutton, 8-12)
  
• Looking at Bears, 1994, with photos by William Muñoz (Holiday House, 4-8)
  
• The Vanishing Feast,1994 (Harcourt Brace, young adult)
  
• The American Alligator,1994, with photos by William Muñoz (Clarion, 9-12)
  
• Hugger to the Rescue,1994, with photos by William Muñoz  (Cobblehill/Dutton, 7-10)
  
• Deer and Elk, 1994, with photos by William Muñoz (Clarion, 9-12)
  
• Horses: Understanding Animals,1994, with photos by William Muñoz (Carolrhoda, 8-11)
  
• What Good is a Tail?,1994, with photos by William Muñoz (Cobblehill/Dutton, 6-9)
  
• Looking at Penguins,1993, with photos by Graham Robertson (Holiday House, 4-8)
  
• Cattle: Understanding Animals,1993, with photos by William Muñoz (Carolrhoda, 8-11)
  
• Prairie Dogs,1993, with photos by William Muñoz (Clarion, 9-12)
  
• Habitats: Saving Wild Places,1993 (Enslow, 12 and up)
  
• Killer Whales, 1993, with photos by John Ford (Holiday, 4-8)
  
• Dogs: The Wolf Within,1993, with photos by William Muñoz (Carolrhoda, 8 11)
  
• Ospreys,1993, with photos by William Muñoz (Clarion, 9-12)
  
• Pelicans,1992, with photos by William Muñoz (Clarion, 9-12)
  
• Places of Refuge: Our National Wildlife Refuge System,1992, with photos by William Muñoz (Clarion, 9-12)
  
• Nutrition: What's in the Food We Eat,1992, with photos by William Muñoz (Holiday, 8-12)
  
• Feathers,1992, with photos by William Muñoz (Dutton, 8-12)
  
• Miniature Horses,1992, with photos by William Muñoz (Dutton, 6-9)
  
• The Harrowsmith Country Life Book of Garden Secrets, 1991(adult nonfiction; revised edition of Garden Secrets)
  
• Baby Horses,1991, with photos by William Muñoz (Carolrhoda, revised edition of Baby Horses)
  
• A Family Goes Hunting,1991, with photos by William Muñoz (Clarion, 8 11)
  
• Where Food Comes From,1991, with photos by William Muñoz (Holiday, 8 12)
  
• The Challenge of Extinction,1991 (Enslow, 12 and up)
  
• African Elephants,1991, with photos by Oria Douglas-Hamilton (Holiday, 8 12)
  
• Flowers for Everyone,1990, with photos by William Muñoz (Cobblehill/Dutton, 9-12)
  
• Gray Wolf, Red Wolf 1990, with photos by William Muñoz (Clarion, 9-12)
  
• An Apple a Day,1990, with photos by William Muñoz (Dutton, 9-12)
  
• How Smart Are Animals?,1990 (Harcourt Brace, young adult)
  
• Seals, Sea Lions, and Walruses,1990 (Holiday House, 10 up)
  
• Yellowstone Fires--Flames and Rebirth,1990, with photos by William Muñoz (Holiday House, 8-12)
  
• Singing Birds and Flashing Fireflies,1989 (Franklin Watts, 6-10)
  
• Grandfather's Nose--Why We Look Alike and Different,1989 (Franklin Watts, 6-10)
  
• Humpback Whales,1989 (Holiday House, 6-9)
  
• Looking at Ants,1989 (Holiday House, 6-9))
  
• Wild Turkey, Tame Turkey,1989, with photos by William Muñoz (Clarion, 9 12)
  
• Where the Wild Horses Roam,1989, with photos by William Muñoz (Clarion, 9 12)
  
• Looking at Dolphins and Porpoises,1989 (Holiday House, 6-9)
  
• Appaloosa Horses,1988, with photos by William Muñoz (Holiday House, 8 12)
  
• The Whooping Crane--A Comeback Story,1988, with photos by William Muñoz (Clarion, 9-12 ) (paperback only available)
  
• A Horse of a Different Color,1988, with photos by William Muñoz (Dodd, Mead, 9 up)
  
• Babies!, 1988 (Holiday House, 6-9)  Christmas Trees,1987, with photos by William Muñoz (Dodd, Mead, 8-12)
  
• Dolphins and Porpoises,1987 (Holiday House, 10 up)
  
• Way of the Grizzly,1987, with photos by William Muñoz (Clarion, 9 12)(paperback out-of-print)
  
• Wheat, the Golden Harvest,1987, with photos by William Muñoz (Dodd Mead, 7-11)
  
• Christmas Trees, 1987, with photos by William Muñoz (Dodd Mead, 8-12)
  
• All About Whales,1987 (Holiday House, 6-9)
  
• Mosquitoes,1986 (Holiday House, 8-12)
  
• The Quest for Artificial Intelligence,1986 (Harcourt Brace, young adult)
  
• Draft Horses,1986, with photos by William Muñoz (Holiday House, 8-12)
  
• Maggie--A Sheep Dog,1986, with photos by William Muñoz (Dodd Mead, 3- 6)
  
• Buffalo--The American Bison Today,1986, with photos by William Muñoz (Clarion, 9-12)
  
• Quarter Horses,1985, with photos by William Muñoz (Holiday House, 8-12)
  
• The Sheep Book,1985, with photos by William Muñoz (Dodd Mead, 7-10)
  
• Thoroughbred Horses,1985 (Holiday House, 8-12)
  
• Where the Bald Eagles Gather,1984, with photos by William Muñoz (Clarion, 8-12)
  
• Farm Animals,1984, with photos by William Muñoz (Holiday House, 8-12)
  
• Whales--Giants of the Deep,1984 (Holiday House, 10 and up)
  
• Backyard Fruits and Berries,1984 (Rodale, adult nonfiction, with Diane E. Bilderback)
  
• A Picture Book of Ponies,1983, with photos by William Muñoz (Holiday House, 6-9)
  
• Germs!,1983 (Holiday House, 8-12)
  
• A Picture Book of Cows,1982, with photos by William Muñoz (Holiday House, 6-9)
  
• Spider Magic,1982 (Holiday House, 6-9)
  
• Arabian Horses,1982 (Holiday House, 8-12)
  
• Garden Secrets,1982 (Rodale, adult nonfiction, with Diane E. Bilderback)
  
• Horses of America,1981 (Holiday House, 8-12)
  
• Hunters and the Hunted--Surviving in the Animal World,1981(Holiday House, 9-12)
  
• Horses and Their Wild Relatives,1980 (Holiday House, 10 and up)
  
• The Lives of Spiders,1980 (Holiday House, 10-14)
  
• Bears of the World,1980 (Holiday House, 10 and up)
  
• Bacteria--How They Affect Other Living Things,1980 (Holiday House, YA)
  
• Sizes and Shapes in Nature--What They Mean,1979 (Holiday House, 12 and up)
  
• Raccoons, Coatimundis, and Their Family,1979 (Holiday House, 9-12)
  
• Butterflies and Moths--How They Function,1979 (Holiday House, 12 and up)
  
• The World of Worms,1978 (Holiday House, 9-12)
  
• Beetles and How They Live,1978 (Holiday House, 12 and up, with Paul C. Schroeder)
  
• Animal and Plant Mimicry,1978 (Holiday House, 12 and up)
  
• Reptiles and How They Reproduce, 1977 (Holiday House, 8-12)
  
• Evolution Goes on Every Day 1977 (Holiday House, 12 and up)
  
• Plants and Insects Together,1976 (Holiday House, 9-12)
  
• Fish and How They Reproduce,1976 (Holiday House, 9-12)
  
• Frogs, Toads, Salamanders and How They Reproduce,1975 (Holiday House, 9-12)
  
• How Insects Communicate,1975 (Holiday House, 10-14)
  
• Microscopic Animals and Plants,1974 (Holiday House, 10-14)
  
• Weasels, Otters, Skunks and Their Family,1973 (Holiday House, 8-12)

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