Grace Cahill, la grand-mère de Dan et Amy, vient de mourir. Suite à la lecture du testament par le notaire Maclntyre, les deux enfants participent à la chasse aux 39 clés. Ils se voient remettre un premier indice : " RESOLUTION DE F. : que cachent ces caractères imprimés ? Pour le savoir, cherchez Richard S. ".
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.