Percy Jackson and the Sword of Hades; Horrible Histories - Groovy Greeks | 
Short, fun novella in which we join Percy, Thalia and Nico (the children of the Big Three) sent by Persephone, Queen of the Underworld, in a quest to retrieve Hades‘ sword for the war to come.
FULL REVIEW IN MY BLOG: https://abookandateacup.blogspot.com/2016/12/review-percy-jackson-and-sword-of-h...
