Race Into the Past (Twist-A-Plot #8) by Megan Stine, H. William Stine

It's 1915. You are a driver in a cross-country car race, and soon you'll be racing for your life!

The reader's decisions will determine what happens on a journey back in time to a cross-country automobile race. Choose from 27 different endings when you break the time barrier and Race Into The Past! — Bam! Feel the power as your custom-built race car accelerates past 300 mph! You grip the wheel and close your eyes -- and then the real adventure begins! Somehow you travel through time!