Madison Yazoo Leake, of the bombed-out, radiation-ridden twenty-first century, wanted to stop World War Three before it began.

When he stepped through the time portal, he thought he was entering 1930s Louisiana. Instead, he found a world where Arabs explored America, Christianity and the Roman Empire had never existed, and Aztecs performed human sacrifices near the Mississippi as woolly mammoths roamed nearby.

One hundred and forty people, plus equipment, were due to follow him. They didn’t appear. And Leake began to wonder if he could ever go back . . .