Stilton, Geronimo <br/><br/>
The underwater planet / 
Geronimo Stilton  
 - New York:  Scholastic Inc ,  2016 . 
 - Spacemice ;  6 .
<br/><br/> Geronimo Stiltonix and the spacemice follow a treasure map to the planet Aquarix, unlock a treasure chest of rare material that powers an entire underwater civilization, and prevent pirate spacecats from stealing the chest for themselves. 
<br/><br/> Appeals to 2nd-4th graders.  Reading level grade 4. 
<br/><br/><label>ISBN: </label>9789351038238 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human-alien encounters--Fiction.<br/>Interplanetary voyages--Fiction.<br/>Adventure and adventurers--Fiction.<br/>Mice--Fiction.<br/>Science fiction.<br/>Humorous stories.
<br/><br/><label>Dewey Class. No.: </label>[Fic]