Discover the exciting world of The 39 Clues with this amazing collection of 11 books by Rick Riordan. Immerse yourself in the thrilling adventures of the series, featuring books 1-3, and solve the mysteries along the way. The set comes with a card pack 1, making it a great addition to any fan's collection. The books are in paperback format and written in English, perfect for readers of all ages. The author, Rick Riordan, is a master storyteller who will keep you on the edge of your seat. This collection is a must-have for any book lover or fan of the series. Get your hands on this incredible set today!