Zeus and the Olympians head to the Peloponnese to save Apollo’s twin sister, who’s under a sleep spell, in this Heroes in Training adventure. Zeus and the Olympians are off to find Apollo’s twin sister, Artemis, who was captured by the Cronies and separated from her brother. But Titan Crius, who rules the area, has Artemis under a special spell that is making her sleep, which doesn’t make a rescue easy! Can the Olympians manage to sneak away from Crius and his pesky Pandi—warriors with ears that can hear for miles—and save a sleepy Artemis, or are they in for a tough awakening?

Zeus and the rest of the Olympians try to rescue Artemis from the clutches of a Titan named Crius who has her under a sleeping spell.

"After escaping their eight-legged enemies, the Olympians are set for another adventure in a region called Peloponnese. They are off to find Apollo's twin sister, Artemis, who was captured by the Cronies and separated from her brother. But the Titan Crius, who rules the area, has Artemis under a special spell that is making her sleep, which doesn't make a rescue easy! Can the Olympians manage to sneak away from Crius and his pesky Pandi--warriors with ears that can hear for miles--and rescue a sleepy Artemis for good?"--Back cover.

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.

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 into the Underworld and deposit their Titan prisoner, Oceanus, back where he belongs! But with magical water that causes forgetfulness, hot beds of lava, and another epic battle with two more Titans standing in their way, will Zeus and his heroes make it out of the Underworld with everyone intact?

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

Zeus and the Olympians must deal with monstrous spiders and dangerous webs in this Heroes in Training adventure. A giant spiderweb in the sky with the words “Surrender Olympians” shows Zeus and his friends that they are in for another battle. Dodging the silky and sticky webs, the Olympians find themselves scattering in all directions to avoid getting caught. But those dangerous webs actually contain a hidden gem—Athena’s magical object. And the Olympians soon discover that the Threads of Dread might not be as dreadful as they appear…