1 of 5
Who is Buck’s archrival on the sled team?

2 of 5
Which of the following people trains Buck to pull a sled?

3 of 5
Which dog becomes ill, but refuses to leave the harness, preferring to die pulling the sled.

4 of 5
What does Buck’s original owner do for a living?

5 of 5
Why does Manuel need the money that he gets by stealing and selling Buck?