Koona was sleddog who traveled with another husky Teek joined sled team.
Koona like other dogs was hardly working for Half-Breed, because they needed to pull heavy sled with heavy mail.
Koona later watch how Half-Breed shoot Dave, because Dave become sick and can't pull sleds anymore.
After several months working with A Scotch Half-Breed, Koona and other dogs were sold to Hal, Charles and Mercedes. Who poorly treated him and other dogs, first of all overfeed and later underfeed him and pull they heavy loaded sleds with useless stuffs.
Later Koona, become one of 6 dogs from original team left alive. But one day Koona become one of death dogs, his death never was written in book, but it is assumed that he was killed by Hal.