Swansea Jack, the Labrador who rescued 27 people from drowning.

Max, the Collie-cross who warned his owner she had breast cancer.

Shadow, the Rottweiler who saved three young children from a pair of hungry wolves.

These are just a few of the inspiring true stories in this collection of dog tales from around the world. Included are some astonishing first-hand accounts by people who have witnessed quick thinking and resourceful dogs in action.

From trained lifeguard dogs and guide dogs to loyal family pets and unnamed strays, each of the courageous canines described in this book has shown true heroism - sometimes in the most surprising of ways. Heart-melting, dramatic and often deeply moving, Wonder Dogs proves why dogs can save and change lives, and are truly our best friends.