Written by former Natural History columnist Douglas Preston, who worked at the American Museum of Natural History for seven years, this is a celebration of the best-known and best-loved museum in the United States.

    But that isn’t all Pipsie and Alfred have to find. Someone has stolen their PB&Js!The search is on for the lunch that left, and soon Pipsie and Alfred are following animal tracks and discovering deer, birds, and even some beavers. Can Pipsie make this mystery history and finish the scavenger hunt? And hopefully before lunchtime, because Alfred is one hungry turtle!