4 1 50 Geronimo Stilton Primary Author mixed material 9780439559645 cover_the_curse_of_the_cheese_pyramid.jpg Geronimo Stilton Primary Author mixed material 9781338587531 cover_happy_birthday_geronimo_.jpg Out of Time The Eighth Journey Through Time Geronimo Stilton Primary Author mixed material 9781338687125 cover_geronimo_stilton_out_of_time_the_eighth_journey_through_time.jpg Discovering The World Of Dinosaurs Geronimo Stilton Primary Author mixed material 9789811128950