Description One choice.
Two possible timelines.
And a world hanging in the balance.
It's the summer of 1986 and reluctant prodigy Nick Hayes is a student at Cambridge University, working with world-renowned mathematician Professor Halligan.
He just wants to be a regular student, but regular isn't really an option for a boy-genius cancer survivor who's already dabbled in time travel.
When he crosses paths with a mysterious yet curiously familiar girl, Nick di.
47north Limited wish, hardcover/mark lawrence
