Orpheus and Eurydice died, but Orpheus, protected by the gods, went to Hades and arrived at the infamous Stygian realm, passing by ghosts and souls of people unknown. He also managed to charm Cerberus, the monster known to have three heads. Orpheus presented himself in front of the god of the Underworld Hades (Pluto) and his wife Persephone. Orpheus played his lyre, melting even Hades' heart. Hades told Orpheus that he could take Eurydice with him but under one condition; Eurydice would follow him while walking out to the light from the caves of the Underworld, but he should not look at her
The House of Hades to do what is right." "The House of Hades" won the Goodreads Choice Award for the Best Middle Grade and Children's Book of 2013. On the same day as the release of "The House of Hades", Rick Riordan announced its sequel, "The Blood of Olympus", the last book of the series. The cover, featuring Jason, Frank, Hazel and two giants, was released on May 14, 2014. The first chapter of the story was released along with "The Staff of Serapis", a crossover between "The Kane Chronicles" and "Percy Jackson & the Olympians". "The Blood of Olympus" was released on October