This book for young readers follows a 24 cycle of activity in a North American deciduous forest. Illustrated with cut-paper art by Caroline Arnold.

This board book for preschool and early readers, illustrated with colorful cut paper art by Caroline Arnold, follows a baby panda as it grows up in the forest.

This board book for preschool and early readers, illustrated with colorful cut paper art by Caroline Arnold, follows a baby zebra as it grows up on the African plain.

Illustrated with colorful cut paper art by Caroline Arnold, this board book for preschool and early readers follows two Adelie penguin chicks as they grow up in Antarctica.

This board book for preschool and early readers, illustrated with colorful cut paper art by Caroline Arnold, follows two polar bear cubs as they grow up in the icy world of the Arctic.

This book for primary grades, illustrated with colorful cut paper art by Caroline Arnold, follows two polar bear cubs as they grow up in the icy world of the Arctic.

This book for young readers, illustrated with colorful cut paper art by Caroline Arnold, follows a baby walrus as it grows up in the cold waters of the Arctic.

Illustrated with colorful cut paper art by Caroline Arnold, this book for primary grades follows a moose calf as it grows up in the far north.

This book for young readers follows two eaglets as they grow up in Alaska. Illustrated with cut-paper art by Caroline Arnold.

This book for primary grades, illustrated with colorful cut paper art by Caroline Arnold, follows a baby koala as it grows up in an Australian forest.

This book for young readers, illustrated with colorful cut paper art by Caroline Arnold, follows a baby kangaroo as it grows up in Australia.

Illustrated with colorful cut paper art by Caroline Arnold, this book for primary grades follows two baby platypuses as they grow up in an Australian stream.

This book for young readers introduces a baby wombat, and follows him as he grows up in Australia. Illustrated with cut-paper art by Caroline Arnold.

This book for primary grades, illustrated with colorful cut paper art by Caroline Arnold, follows a baby panda as it grows up in the forest.

This book for young readers, illustrated with colorful cut paper art by Caroline Arnold, follows a baby zebra as it grows up on the African plain.

Illustrated with colorful cut paper art by Caroline Arnold, this book for primary grades follows two Adelie penguin chicks as they grow up in Antarctica.

This book for young readers introduces a baby killer whale, or orca, and follows him and his family pod as he grows up in the ocean.

A tall tale set in the north woods about a creature with the head of an ox, feet of a bear, back of a dinosaur and tail of an alligator and how his lumberjack friends help keep him from going to a zoo.

Did you think dinosaurs only lived in warm climates? New discoveries show us that they also thrived in Earth's polar regions.

Read about ichthyosaurs, plesiosaurs, and mosasaurs, giant marine reptiles that ruled the oceans in the Dinosaur Age.

Read about flying reptiles, some with wingspans as large as forty feet, that dominated the skies millions of years ago when dinosaurs ruled the earth and giant marine reptiles ruled the oceans.

This book focuses on the giant rock formation of Uluru, formerly known as Ayers Rock,which is a sacred site for Aboriginal Australians and a place to observe the varied and fascinating wildlife of the vast Australian desert.

During the Ice Age, woolly mammoths roamed the frozen lands to the north, while the huge Columbian mammoths lived in warmer parts of North America. Find out how scientists are learning more about these extinct relatives of elephants from fossil remains found in places ranging from sinkholes and tarpits to frozen tundra and at the bottom of the sea. Illustrated with beautiful watercolor paintings by Laurie Caple.

Recent fossil discoveries of dinosaurs with feathers add to a growing body of evidence that one branch of the dinosaur family tree developed into birds. Learn about the latest scientific discoveries and what they tell us about the ancestry of birds.

Easter Island is the most remote inhabited place on Earth. Find out about the giant stone statues that line its shores and learn about the people who carved them centuries ago.

At more than fifty feet in length, megalodon was the largest predatory shark that ever lived. Find out about this extinct relative of the great white shark and its fossil remains.

El Nino is the most important influence on world weather beyond the annual cycle of the seasons. Find out how scientists are learning about El Nino, La Nina, and the Southern Oscillation and how ocean warming that begins in the tropical Pacific is one of the most important keys to understanding the world's weather.

Five thousand years ago Stone Age farmers tilled the land in northern Scotland. Join visitors to the Orkney Islands and explore the remains of the Neolithic village of Skara Brae and see many of the ancient objects found during its excavation. No other place in Northern Europe provides such a complete picture of life in this period when people made tools of stone and bone and began to live in settled communities.

The dinosaur Allosaurus, a powerful meat eater, stands with its jaws open, ready to bite. This dinosaur is not just a display of bones but a life-size sculpture, so real you can imagine it stepping off its platform and roaming through the halls.

Stephen Czerkas's dinosaur models, ranging from the largest carnivores to hatching babies, are widely exhibited in museums. This book is based on a traveling exhibit, "Dinosaurs: A Global View," organized by the Natural History Museum of Los Angeles County and a visit to the artist's studio. Czerkas draws on a painstaking study of fossil bones, living reptiles, and modern animal behavior in the process of putting skin over the bones, choosing color and markings and action poses for the most true-to-life portrayal possible.

Learn how such models are constructed, and the decisions the artist must make in portraying these long-vanished reptiles. Find out how models like these help us to understand what live was like millions of years ago when dinosaurs were alive.

This visit to the canyons of the Coso Range in the California desert reveals of thousands of ancient stone engravings of people, animals, and abstract symbols -- evidence of some of the earliest human life in North America.

The Anasazi, who once lived in what is now Mesa Verde National Park, suddenly left their homes in about 1200 AD. In this book you will learn about their culture and view the remains of the clifftop dwellings, pottery, tools and other artifacts they left behind.

Watch Out for Sharks! (1991) ISBN 0-395-57560-5

Dinosaurs Down Under: And Other Fossils from Australia (1990) ISBN 0-89919-814-7

Dinosaur Mountain: Graveyard of the Past (1989) ISBN 0-89919-4

Juggler (1988) ISBN 0-89919-496-6 Out of Print

Trapped in Tar: Fossils from the Ice Age (1987) ISBN 0-89919-415-X Out of Print

Music Lessons for Alex (1985) Out of Print

Pets Without Homes (1983) ISBN 0-89919-6

This book, filled with fifty nifty hands-on activities, provides exciting ways to learn about latitude and longitude, maps, climate, natural features of the earth, and other geographical concepts.

Echoing the style of the magnificent illustrated manuscripts that chronicle royal life in 16th century India, this book about Emperor Shah Jahan and his wife Mumtaz Mahal recalls both history and legend in the story of their meeting, of the epic events of their life together, and of the ultimate fulfillment of a promise.

This book for beginning readers introduces the bones of the human body and uses photographs and diagrams to show how they work. An Early Bird Body Systems book. Available in Spanish, November 2006.

Ostriches are the world's largest living bird. Beginning readers will learn about the life cycle of these flightless giants and how they are adapted for survival on the grasslands of Africa.

Find out how tigers, elephants, koalas and other zoo animals play in this easy-read book.

Discover some of the many foods that monkeys, zebras, cheetahs and other zoo animals eat in this easy-read book.

Learn how water is important for hippos, flamingos, polar bears and other zoo animals in this easy-read book.

Listen to the many sounds that lions, parrots, monkeys and other zoo animals make in this easy- read book.

See how lions, orangutans, rhinoceroses and other zoo animals get their rest in this easy-read book.

Watch mother and baby llamas, giraffes, pandas and other zoo animals in this easy-read book.

University Settlement House, which opened in New York City in 1886, was the first settlement house in the United States. This book looks at how poor immigrants in urban settings were helped through community centers that offered classes, sports activities, libraries, and at some locations, medical services.

Bobcats are small wild cats that are distinguished by their tufted ears and short "bobbed" tails. Beginning readers will learn about the life cycle of these natural born predators and how they are adapted for survival in a wide variety of habitats.

On January 10, 1997, a baby gray whale was discovered at Marina del Rey beach in Southern California. The young whale was exhausted, hungry, and near death. This is the story of her rescue, recovery, and return to the sea.

The island continent of Australia is home to an amazing variety of wildlife. From koala to kangaroo, platypus to kookaburra, find out how many animals adapt to their own special environments.

The continent of South America is home to an incredible variety of wildlife. From flamingo to jaguar, sloth to armadillo, find out how many different kinds of animals adapt to their own special environments.

The continent of Africa is home to an amazing variety of wildlife. From giraffes to elephants, meerkats to lions--youngsters can learn how each species is able to adapt to diverse environments ranging from vast grasslands to deep forests to arid deserts.

Discusses the physiology and behavior of this mammal as well as the fears, misconceptions, and superstitions which have given it a bad reputation.

This book focuses on the tiny kit fox which makes its home in the desert regions of the United States and Mexico highlighting its special characteristics and comparing them with those of the other five species of foxes found in the United States. Named an Outstanding Science Trade Book by the NSTA/CBC

Lion (1995) ISBN 0-688-12692-8 Out of Print

Rhino (1995) ISBN 0-688-12694-4 Out of Print

Killer Whale (1994) ISBN 0-688-12029-6 Out of Print

Sea Lion (1994) ISBN 0-688-12027-X Out of Print

Elephant (1993) ISBN 0-688-11344-3 Out of Print

Monkey (1993) ISBN 0-688-11342-7 Out of Print

Panda (1992) ISBN 0-688-09496-1 Out of Print

Camel (1992) ISBN 0-688-09498-8 Out of Print

Snake (1991) ISBN 0-688-09409-0 Out of Print

Flamingo (1991) ISBN 0-688-09411-2 Out of Print

Wild Goat (1990) ISBN 0-688-08824-4 Out of Print

Orangutan (1990) ISBN 0-688-08826-0 Out of Print

Cheetah (1989) ISBN 0-688-08143-6 Out of Print

Hippo (1989) ISBN 0-688-08145-2 Out of Print

Penguin (1988) ISBN 0-688-07706-4 Out of Print

Llama (1988) ISBN 0-688-07540-1 Out of Print

Zebra (1987) ISBN 0-688-07067-1 Out of Print

Giraffe (1987) ISBN 0-688-07069-8 Out of Print

Kangaroo (1987) ISBN 0-688-06480-9 Out of Print

Koala (1987) SBN 0-688-06478-7 Out of Print

Pain: What Is It? How Do We Deal With It? (1986) ISBN 0-688-05710-1 Out of Print

Too Fat? Too Thin? (1984) ISBN 0-688-02779-2 Out of Print

Sex Hormones: Why Males and Females Are Different (1981) ISBN 0-688-00696-5 Out of Print

Electric Fish (1980) ISBN 0-688-22237-4 Out of Print

Millions of hawks, eagles and falcons migrate between their summer and winter homes each year. In North America many of them pass over the Goshute Mountains in Eastern Nevada where they are studied by scientists and volunteers working with HawkWatch International. Join the HawkWatch team at its trapping and banding station and learn more about these extraordinary birds of prey.

On the Brink of Extinction: The California Condor (1993) ISBN 0-15-257990-7 Out of Print

A Guide Dog Puppy Grows Up (1991) ISBN 0-15-232657-X Out of Print

The Terrible Hodag (fiction) (1989) ISBN 0-15-284750-2 Out of Print