Because of the exponentially growing fan base of Geronimo Stilton in the Philippines, National Book Store and Scholastic (Geronimo Stilton publisher) have teamed up for an exciting event. Geronimo Stilton, the beloved book character of the bestselling series, is having a fan convention on May 14 (Saturday), 1 pm to 5 pm (registration starts at 11 am) at the Glorietta 5 Atrium!