The invisible planet /
Geronimo Stilton ; illustrations by Giuseppe Facciotto (pencils), Carolina Livio (inks), and Serena Gianoli and Paolo Vicenzi (color) ; translated by Julia Heim.
- 113 pages : color illustrations, color map ; 20 cm.
- Spacemice ; 12. .
- Stilton, Geronimo. Spacemice ; 12. .
Translation of: Il pianeta invisibile.
Discovering a planet that bafflingly appears and disappears, Spacemouse Geronimo Siltonix lands his MouseStar 1 ship to investigate and encounters a race of mysterious, secret-keeping aliens.
Appeals to: 2nd-4th graders. Reading level: Grade 4.