The Accidental Time Machine

From the acclaimed author of Marsbound comes a mind-bending sci-fi adventure that will have you questioning the very fabric of time itself
Struggling grad school dropout Matt Fuller is toiling as a lowly research assistant at MIT when he inadvertently creates a time machine. With a dead-end job and a girlfriend who left him for another man, Matt has nothing to lose in taking a time-machine trip himself-or so he thinks.