A bold experiment has mutated a small fraction of humanity. Nations race to harness the gifted, putting them to increasingly dark ends. At the dawn of global war, flashy American superheroes square off against sinister Germans and dissolute Russians. Increasingly depraved scientists conduct despicable research in the name of victory British agents Fogg and Oblivion, recalled to the Retirement Bureau, have kept a treacherous secret for over forty years. But all heroes must choose when to join the fray, and to whom their allegiance is owed - even for just one perfect summer's day.

'A brilliantly etched phantasmagoric reconfiguring of that most sizzling of eras - the twilight 20th...a torrid tour de force.' - James Ellroy, author of L.A. Confidential and Blood's a Rover

'A sophisticated, moving and gripping take on 20th century conflicts and our capacity for love and hate, honour and betrayal.' - The Daily Mail

'Tidhar synthesises the geeky and the political in a vision of world events that breaks new superhero ground.' - The Guardian