About the book: 2020 / Welcome to the cozy mansion of the Intrigio family! On a quiet Sunday morning, an unusual yellow envelope drops into their mailbox, and the spy family sets off to Paris in search of a priceless missing sapphire. Intrigio's disguises, mysterious relics and unique superpowers will help them uncover a secret conspiracy. An exciting detective story from the author of the popular series “Detective Cats” Alessandro Gatti and the creator of the world bestseller “The Secret Diaries of Ulysses Moore” Pierdomenico Baccalario. For middle school age.