summarize The Call of the Wild

"The Call of the Wild" is a classic novel by Jack London that tells the story of a dog named Buck who is taken from his comfortable life in California and forced to work as a sled dog in the rugged wilderness of Alaska during the Gold Rush. Buck must adapt to the harsh conditions and learn to survive in a world where only the strongest can thrive. Along the way, he encounters both cruelty and kindness from humans and ultimately embraces his wild instincts to become a leader among the pack of wolves.