When ten-year-old Zeus is kidnapped, he discovers he can defend himself with a magical thunderbolt.

"The Underworld usually isn't really meant to be a fun place - but tell that to Hades! He loves the dark and the stinky smell of sulfur. However, there is one thing that Hades is not a fan of: dogs. And when Zeus and his fellow Olympians encounter Cerberus - a snarling, three-headed dog - Hades must conquer his fears and tame the hound so everyone can continue into the Underworld and deposit their Titan prisoner, Oceanus, back where he belongs!"--Information...

The Heroes in Training are entering the Underworld-if Hades can conquer his canine fears, that is. The Underworld usually isn't really meant to be a fun place-but tell that to Hades! He loves the dark and the stinky smell of sulfur. However, there is one thing that Hades is not a fan of: dogs. And when Zeus and his fellow Olympians encounter Cerberus-a snarling, three-headed dog-Hades must conquer his fears and tame the hound so everyone can continue...

After pulling a magical thunderbolt from a stone, ten-year-old Zeus goes on the adventure of a lifetime in this thrilling start to a brand-new series! The terrible Titans-merciless giants who enjoy snacking on humans-have dominated the earth and put the world into chaos. But their rule is about to be put to the test as a group of young Olympians discover their powers and prepare to righteously rule the universe.... Ten-year-old Zeus is mystified...

Ten-year-old Zeus is kidnapped by the terrible Titans, merciless giants who enjoy snacking on humans, and when, in self-defense, he pulls a magical thunderbolt from a stone, he begins an adventure to rescue his fellow Olympians from the evil Cronus.