In Milan to attend the unveiling of a parchment that contains the original recipe for a traditional holiday bread, Geronimo Stilton is shocked when a thief posing as him steals the recipe, forcing him to catch the culprit and clear his name.

"When chance, or fate, throws two twelve-year-olds together on board a scientific research ship at the edge of the Great Pacific Garbage Patch, it's not all smooth sailing! Jeremy "JB" Barnes is looking forward to spending the summer before seventh grade hanging on the beach. But his mother, a scientist, has called for him to join her aboard a research ship where, instead, he'll spend his summer seasick and bored as he stares out at the endless plastic,...