The Call of the Wild (Completed)

This novel was removed from dictatorships in Europe during the the 1920s and 1930s. From Wikipedia: "The Call of the Wild is a novel by American writer Jack London. The plot concerns a previously domesticated dog named Buck, whose primordial instincts return after a series of events leads to his serving as a sled dog...

White Fang (by Jack London, 1905)

Born in the wilds of the freezing-cold Yukon, the wolf-cub White Fang soon learns the harsh laws of nature, growing fiercer and more independent in his struggle to survive. Yet buried deep inside him are distant memories of affection and love - can he learn to trust man again?