It's off to Italy for Mimi and Papa and their two grandchildren, Christina, 10 and Grant, 7. Mimi, a children's book writer, is writing a new mystery set in Italy, and Papa is going to visit an old friend. It doesn't take long for a mystery to unfold as Christina discovers a puzzling advertisement in an Italian newspaper...and suspicious men in black trench coats! Follow Christina, Grant, and their two new friends, Luigi and Francesca, as they look for clues while exploring Italy on fast scooters and floating gondolas! Things get even more interesting as the kids end up in the middle of Carnivale holiday festivities! (Who is really behind that mask?) Don't miss the adventure and action as the kids solve The Mystery at the Roman Colosseum. 

LOOK what's in this mystery - people, places, history, and more! 
Places: Sistine Chapel • The Colosseum • The Leaning Tower of Pisa • St. Peter’s Square • Piazza della Minerva • The Pantheon • Trevi Fountain • Piazza Navona • Piazza D. Mercato Centrale • Piazza San Marco • Pisa International Airport and Leonardo da Vinci Airport • Milan • Sicily • Sardinia • Salerno • Pompeii • Harry’s Bar • Many sights in Rome, including the Arch of Constantine, the Mamertine Prison, and Capitoline Hill • Many sights in Florence, including the Cloister of the Dead, the Uffizi, and the Statue of David • Many sights in Venice, including the Ca’ d'Oro, the Grand Canal, and the Basilica di Santa Maria della Salute