39 Clues #11
Vespers Rising
(Author) Rick RiordanA hidden door. A magical staircase. Discover the world of Droon! Lord Sparr has found a new weapon to use against the city of Droon. He's woken up a mean old giant that will now obey his every command! It's a good thing Eric, Julie, and Neal are around to help their friends try to stop Lord Sparr. It's a giant job, but somebody's got to do it!
Rick Riordan
Rick Riordan is a bestselling American author known for his mythology-inspired fantasy novels for young readers. Born on June 5, 1964, in San Antonio, Texas, Riordan gained international fame with the Percy Jackson & the Olympians series, which reimagines Greek mythology in a modern setting. His works, including the Heroes of Olympus, Kane Chronicles, and Magnus Chase series, explore diverse mythologies with humor, adventure, and relatable characters. Riordan’s books have sold over 100 million copies worldwide and inspired successful adaptations, making him a beloved figure in children's literature.