The Call of the Wild is a classic adventure novel by Jack London that follows the journey of Buck, a domesticated dog who is stolen from his comfortable home and sold into the harsh life of an Alaskan sled dog during the Gold Rush. As Buck adapts to the wild, he taps into his primal instincts, facing fierce challenges and discovering his true nature. The story explores themes of survival, resilience, and the powerful call of the wild instinct within all creatures.