A review by kendallbridgete
Oh No! Not Again!: (or How I Built a Time Machine to Save History) (or at Least My History Grade) by Mac Barnett

1.0

Aside from the fact that I don't know if kids would get/enjoy this, I just can't get past the point that if you can travel back in time, just go back to the day of your test and put the correct answer...a much simpler plan than changing history so that your original answer was correct. Sheesh.