That's his Achilles heel. It felt like I was lost in a labyrinth! She has the weight of the world on her shoulders. You opened a real Pandora's box with that move! We're all familiar with these idioms. But where did they come from? Find out with this beautifully illustrated series. Each title tells the tale of a popular Greek myth - perfect guides on the quest for knowledge! Achilles is his father's sixth son. His five brothers all died as infants. To protect Achilles from the same fate, his mother Thetis dips him into the River Styx. When Greece attacks Troy, Achilles joins the fight. Will his mother's treatment keep him from harm? AGES: 8 to 9