Books in The Planet's Most Extreme series

The platypus has the webbed feet of an otter, the paddle-like tail of a beaver and the beak of a duck, and the aye-aye looks like a cross between a possum and a rat. But neither the platypus nor the aye-aye comes in at number one in the countdown. Find out who does, and how humans compare to animals with the most extreme body parts.

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Describes the ten most extreme defenders in the animal kingdom, including the armadillo, turtle, horned lizard, porcupine, and tarantula.

Profiles the ten most extreme mothers in the animal kingdom based on their exceptional or unusual talents such as carrying their children in their mouths or being pregnant for almost two years.

Profiles the top ten animals with the most acute senses, from keen night vision to super hearing, including the pig, dog, dolphin, snake, and shark.

Describes the top ten creatures in the animal kingdom that rely on camouflages or other means of disguises for survival, including the lyrebird, sea snake, caterpillar, sea dragon, walking stick, and octopus.

Profiles the top ten fathers in the animal kingdom for their protection abilities, supportive tendencies, and devotion to their young, including the lion, jackal, Giant African bullfrog, Emperor penguin, and the seahorse.