The House of Hades (The Heroes of Olympus #4) by Rick Riordan
House of Hades is the fourth part of the adventure series, written by Rick Riordan, an American writer. It contains Greek and Roman mythological characters. It entails series of Greek demigods, namely, Leo Valdez, Percy Jackson, Annabeth Chase, and Piper McLean. The Roman camp includes Hazel Lévesque, Frank Zhang, Jason Grace. The novel presents the point of view of all the seven demigods. The book has received much critical acclaim. It was loved in the American circle. With a sale record of 350,000 copies, it was declared a bestseller according to the USA Today and The New York Times. It was also appreciated as being more mature, as compared to its predecessors by Riordan. The main characters aim at finding the Doors of Death, to prevent the monsters of Gaea’s army from being reborn repeatedly. What follows is a fusion of adventure, war, treachery, heroism, romance, and conquest. In the end, the aims are established after a lot of struggle and bloodshed. A commendable piece of work by Rick Riordan. It has been hailed as one of the most gripping tales by Riordan.