Joan Holub & Suzanne Williams 
Crius and the Night of Fright [EPUB ebook] 

Zeus and the Olympians head to the Peloponnese to save Apollos twin sister, whos under a sleep spell, in this Heroes in Training adventure.Zeus and the Olympians are off to find Apollos 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 doesnt make a rescue easy! Can the Olympians manage to sneak away from Crius and his pesky Pandiwarriors with ears that can hear for milesand save a sleepy Artemis, or are they in for a tough awakening?