Even though Geronimo Stilton isn't exactly known for taking risks, he can't always say no to adventure -- especially when he's invited to be the first time-traveling mouse! But Geronimo's invitation does come with a catch. Professor Paws von Volt doesn't just want him to observe the past; Geronimo must investigate what caused the dinosaur extinction. Will Geronimo solve one of history's greatest mysteries, or will this time-traveling mouse end up being dinosaur dinner?
610L Lexile|||juvenile
Geronimo Stilton.
Accelerated Reader AR MG 4.4 1 162696.
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