Kristen Rajczak Nelson 
Pulling Dogs [PDF ebook] 

The frozen tundra is a much more manageable place with the help of sled dogs. This book takes readers on a journey to see the many types of dogs used to move carts and sleds. Vivid photographs and fascinating facts explain the hard work that both sled dogs and cart dogs have done for many years. Readers will even learn how to give commands to a pulling dog.