The Mystery of the Red Envelope

Welcome to the cozy mansion of Intrigio! At midnight, an unusual red envelope falls into their mailbox for yellow envelopes. This time, the Intrigio family has been invited to the estate of Mr. Rebus. In addition to them, a former MI-6 secret agent, a winner of a mattress company's lottery, a master of lies from Russia, and an American agent have gathered there. An unexpected crime, secret traps, and numerous keys will help the Intrigio family uncover the mystery of the identity of the enigmatic Mr. Rebus. A thrilling detective story from the author of the popular series Cat Detectives, Alessandro Gatti, and the creator of the global bestseller The Secret Diaries of Ulysses Moore, Pierdomenico Baccalario.