Bugs Up Close-Finalist, Silver Birch Express Award, 2009-Finalist, Children's Literature Roundtables of Canada Information Book Award, 2008
The Wonder in Water - shortlisted for the Silver Birch Award, 2006/07
Turn It Loose - shortlisted for the 2006/07 Red Cedar Award
Tunnels! True stories from the edge, Winner of the Hackmatack Award, 2004—05
Nibbling on Einstein's Brain- Short-listed, B.C. Red Cedar Book Award, 2003/2004- White Raven, International Youth Library, Munich, 2002- Nonfiction Honor List, Voice of Youth Advocates (VOYA), American Library Association, 2002- Notables 2002, Canadian Library Association- Short-listed, Science in Society Award, 2002- Los Angeles' 100 Best Books, 2001
Hmm? (Kids Can Press, 2001, illustrated by Rose Cowles)- Short-listed, B.C. Red Cedar Book Award, 2003/2004 - Short-listed, Utah Children's Informational Book Award, 2002—03- Short-listed, Ontario Silver Birch Award, 2002- Winner, Informal Education Product of the Year Award for Linguistic Intelligence, 2002
Burp! (Kids Can Press, 2001, illustrated by Rose Cowles)- Notables 2002, Canadian Library Association- Children's Choices for 2002, International Reading Association and Children's Book Council- Short-listed, Children's Literature Roundtables of Canada Information Book Award, 2002- Short-listed, Rocky Mountain Award, 2002—03- Short-listed, Atlantic Provinces Hackmatack Award, 2002—03- Winner, Informal Education Product of the Year Award for Linguistic Intelligence, 2002
Up Close: Skin That Slimes and Scares, (Greystone Books, 2001)- Short-listed, B.C. Red Cedar Book Award, 2003/2004
Animals Eat the Weirdest Things (Whitecap Books & Henry Holt, 1998, illus. by Terry Smith)- Short-listed, Rocky Mountain Book Award, 2001
Welcome to the World of Rabbits and Hares, 2000 Our Choice, Canadian Children's Book CentreWelcome to the World of Octopuses, 2000 Our Choice, Canadian Children's Book CentreFeet That Suck and Feed, 2000 Our Choice, Canadian Children's Book CentreTeeth That Stab and Grind, 2000 Our Choice, Canadian Children's Book Centre
Orbis Pictus Award for Outstanding Nonfiction for Children, 1995, for Safari Beneath the Sea
Animals Eat the Weirdest Things (Whitecap Books & Henry Holt, 1998, illus. by Terry Smith)
- Our Choice, Canadian Children's Book Centre
- Short-listed, B.C. Red Cedar Book Award, 2000/2001
- Short-listed, Mr. Christie's Book Award, 1999
- Short-listed, Ontario Silver Birch Award, 1999
- Short-listed, Children's Literature Roundtables of Canada Information Book Award, 1999
Bug Bites (Whitecap Books, 1997, illustrated by the Royal British Columbia Museum)
- Our Choice, Canadian Children's Book Centre
- Short-listed, B.C. Red Cedar Book Award, 1999/2000
- Short-listed, Children's Literature Roundtables of Canada Information Book Award, 1998
- Short-listed, Ontario Silver Birch Award, 1998
Buffalo Sunrise (Whitecap Books and Sierra Club Books for Children, 1996)
- Our Choice, Canadian Children's Book Centre
- Short-listed, International Reading Association's Young Adult Choice Award, 1998
- Short-listed, Ontario Silver Birch Award, 1997
The Day of the Twelve-Story Wave (Whitecap Books/Longstreet Press, 1995, illus. by Laura Cook)
- Our Choice, Canadian Children's Book Centre
Sky Dancers (Whitecap Books and Voyageur Press, 1995, illustrated by Doug Penhale)
- Our Choice, Canadian Children's Book Centre
- Short-listed, B.C. Red Cedar Book Award, 1997/98
Safari Beneath the Sea (Whitecap Books & Sierra Club Books for Children, 1994, photography by the Royal British Columbia Museum)
- Winner, Orbis Pictus Award for Outstanding Nonfiction for Children (USA), 1995
- American Library Association Recommended Book for Reluctant Young Adult Readers
- Our Choice, Canadian Children's Book Centre
- Short-listed, Garden State (New Jersey) Children's Book Award, 1997
- Short-listed, Children's Literature Roundtables of Canada Information Book Award, 1995
- Short-listed, Utah Children's Informational Book Award, 1995—96
Coyotes in the Crosswalk (Whitecap Books, 1994 and Voyageur Press, 1995, illustrated by Doug Penhale); French edition: Attention! Coyote Au Carrefour (Heritage jeunesse, 1995)
- Our Choice, Canadian Children's Book Centre
- Short-listed, Ontario Silver Birch Award, 1996
- Short-listed, Children's Literature Roundtables of Canada Information Book Award, 1995
Squirts and Snails and Skinny Green Tails (Whitecap Books, 1993, 1997 and Bob Adams, 1994, illustrated by Warren Clark); French edition: Coquilles, Coquillages Et Tresors De La Plage (Heritage jeunesse, 1995)
- Our Choice, Canadian Children's Book Centre
The Emerald Sea (Whitecap Books and Alaska Northwest Books, 1993, photography by Dale Sanders)
- Short-listed for the Bill Duthie Booksellers' Choice, B.C. Book Prizes, 1994
Why Seals Blow Their Noses (Whitecap Books, 1992, 1993, 1995, 1997 and Voyageur Press, 1994, illustrated by Doug Penhale); French edition: Pourquoi Les Phoques Ont-Ils Un Ballon Sur Le Nez? (Heritage jeunesse, 1995)
- Winner, Best Illustrated Book, One Color, Mid-America Publishers Association Awards, 1995
- Short-listed, Children's Literature Roundtables of Canada Information Book Award, 1993
- Our Choice, Canadian Children's Book Centre
- Book-of-the-Month Club Selection
A Toothy Tongue and One Long Foot (Whitecap Books, 1992, 1993 and Bob Adams, 1994, illustrated by Warren Clark and Carolyn Swanson)
- Our Choice, Canadian Children's Book Centre
Welcome to the World series (Whitecap Books)Welcome to the World of Porcupines, 1999
- Our Choice, Canadian Children's Book Centre
- B.C. 2000 Book Award
Welcome to the World of Skunks, 1999
- Our Choice, Canadian Children's Book Centre
- B.C. 2000 Book Award
Welcome to the World of Beavers, 1999
- Our Choice, Canadian Children's Book Centre
- B.C. 2000 Book Award
Welcome to the World of Moose, 1999
- Our Choice, Canadian Children's Book Centre
- B.C. 2000 Book Award
Welcome to the World of Bats, 1998
- Our Choice, Canadian Children's Book Centre
Welcome to the World of Raccoons, 1998
- Our Choice, Canadian Children's Book Centre
Welcome to the World of Foxes, 1998
- Our Choice, Canadian Children's Book Centre
Welcome to the World of Eagles, 1998
- Our Choice, Canadian Children's Book Centre
Welcome to the World of Owls, 1997
- Our Choice, Canadian Children's Book Centre
Welcome to the World of Wild Cats, 1997
- Our Choice, Canadian Children's Book Centre
Welcome to the World of Bears, 1997
- Our Choice, Canadian Children's Book Centre
- Winner of a Parents' Choice Award, US, 1998
Welcome to the World of Otters, 1997
- Our Choice, Canadian Children's Book Centre
- Winner of a Parents' Choice Award, US, 1998
Welcome to the World of Wolves, 1996
- Our Choice, Canadian Children's Book Centre
- Book-of-the-Month Club Selection
Welcome to the World of Whales, 1996
- Our Choice, Canadian Children's Book Centre
- Book-of-the-Month Club Selection