Petunia married a biochemist, and Harry grew up reading science and science fiction. Then came the Hogwarts letter, and a world of intriguing new possibilities to exploit. And new friends, like Hermione Granger, and Professor McGonagall, and Professor Quirrell... COMPLETE.

Broken and defeated, the War long since lost, Harry enacts his final desperate gambit: Travel back in time to the day of the Third Task, destroy all of Voldemort's horcruxes and prevent the Dark Lord's resurrection…all within the space of twelve hours.

Harry has had enough of seeing his reputation shredded in the Daily Prophet and decides to do something about it. Only he decides to embrace his Slytherin side to rectify matters.