Warren Spaulding and Betsy Tyler are supposed to be working on a class project about Mount St. Helens. Instead Warren is busy testing his grandfather's latest invention--the Instant Commuter. Suddenly, he is teleported back to the morning of the eruption and he has no way of getting back home!.

שם הספר
The stranger next door
Sisters, long ago
My brother made me do it
The ghost's grave
Earthquake Terror (Puffin Novel)