Download or read book We'll Bite Your Tail, Geronimo! (Geronimo Stilton Spacemice #11) written by Geronimo Stilton and published by Scholastic Inc.. This book was released on 2017-08-29 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: Professor Greenfur, the onboard scientist on spaceship MouseStar 1, has changed color from green to... orange! What's going on? To find out, the spacemice travel to his home planet of Photosyntheson. There, they learn that all of Professor Greenfur's relatives are being threatened by the nibblix, tiny aliens with very sharp teeth! Can the spacemice help in time?