Exploring Space

by (author) Tamara Hartson

Atlantic Canada Animal Tracks

by (author) Ian Sheldon & Tamara Hartson
illustrated by Gary Ross

Saskatchewan Animal Tracks

by (author) Ian Sheldon & Tamara Hartson

Manitoba Animal Tracks

by (author) Ian Sheldon & Tamara Hartson

Alberta Animal Tracks

by (author) Ian Sheldon & Tamara Hartson

British Columbia Animal Tracks

by (author) Ian Sheldon & Tamara Hartson
illustrated by Gary Ross

Weird Ocean Creatures

by (author) Tamara Hartson

Astronauts & Space

by (author) Tamara Hartson

Castles and Knights

by (author) Tamara Hartson

Night Skies of Canada

by (author) Tamara Hartson

Planets

by (author) Tamara Hartson

Spiders

by (author) Tamara Hartson

Robots

by (author) Tamara Hartson

Animal Tracks of Alaska

by (author) Ian Sheldon & Tamara Hartson
illustrated by Gary Ross

Space

by (author) Tamara Hartson

Animal Tracks of Texas

by (author) Ian Sheldon & Tamara Hartson
illustrated by Gary Ross

Squirrels of the West

by (author) Tamara Hartson
illustrated by Gary Ross & Ian Sheldon