One of Jack London's most beloved books tells about the amazing adventures of the Irish terrier Jerry. From birth, Jerry saw only care and love from his owner. But one day his life changed dramatically - Jerry found himself on an island inhabited only by natives. Natural intelligence, resourcefulness and courage helped the extraordinary dog avoid many dangers and even find a friend in a hostile tribe of natives.

After this novel was published, a huge number of dogs appeared all over the world, named after the hero of this book , and many readers, under her impression, made a four-legged friend.