2 Books in 1 - Percy Jackson and the Sword of Hades / Horrible Histories Groovy Greeks.
The goddess Persephone has called upon Percy, Thalia, and Nico to journey into the depths of the Underworld. Their mission: to retrieve Hades' formidable sword before it lands in the clutches of malevolent forces. But that's not all—when you flip the book over, you'll be treated to an abundance of entertaining insights into ancient Greek history with Terry Deary's 'Groovy Greeks.' Prepare to experience history complete with all its intriguing, unvarnished details!
