"Geronimo and the gang set sail in the arctic seas to help his old friend Professor Ranoble with her ice research. But the captain of their ship may be up to something big, especially with frequent orca attacks"--Provided by publisher.
General Note
In English, translated from the Italian.
"Based on episode 17 of the Geronimo Stilton animated series 'Attack of the killer whale,' ('Mamma, che orca!')," written by Mathilde Maraninchi & Antonin Poire . . ."--Title page verso.
Based on the television program Geronimo Stilton.