"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!"--Amazon.com....

Twelve-year-old Percy Jackson learns he is a demigod, the son of a mortal woman and Poseidon, god of the sea. His mother sends him to a summer camp for demigods where he and his new friends set out on a quest to prevent a war between the gods.

The Olympians must face the fierce giant Typhon in order to find magic seeds that will help grow the earth after the terrible drought brought upon the land by Hyperion.

"When a flock of angry birds threaten Zeus and his fellow Olympians, they need the help of a new friend--assuming the stranger is actually a friend! After a horrible drought, Zeus and his fellow Olympians are determined to help restore the land as they try to figure out their current mission, to find a special shield called an aegis. Thanks to some grateful villagers, who benefit from the rain and crops that the young Olympians magically create,...

"Since defeating the Titans, Zeus and his fellow Olympians have taken over Mount Olympus. Things are nearly back to normal until a stranger named Hercules shows up, asking for help. He's on the run from Eurythseus, King of Argon, who is after Hercules for egging his temple."--Provided by publisher.

"Zeus and his fellow gods-in-training face a new challenge in the underworld when they attempt to capture Cerberus--the three-headed guardian and cherished pet of Zeus's brother Hades. But they find themselves up against even more than they anticipated when they have to face off against Melinoe and her skeletal minions"--