"A Dog on a Leash" is an exciting book by the famous American writer Jack London. This is an adventure novel that tells the story of the raw struggle for survival in the harsh conditions of the American Northwest. The main character of the story is a dog named Buck, who goes to the far North as a prisoner-burden. As he changes hands, he faces many challenges, sinister adversaries and wild adventures beyond all expectations. Can Buck find his true power and break free? This gripping story of devotion, endurance, and inner wisdom will leave the reader at their emotional limits.