Brimming with alternative universes, futuristic landscapes and gleeful metaphysics... Yu's spirit of invention is infectious. - Sunday Times

Highly inventive and hilarious - The Times

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With only TAMMY - a slightly tearful computer with self-esteem issues - a software boss called Phil - Microsoft Middle Manager 3.0 - and an imaginary dog called Ed for company, fixing time machines is a lonely business and Charles Yu is stuck in a rut.

He's spent the better part of a decade navel-gazing, spying on 39 different versions of himself in alternate universes (and discovered that 35 of them are total jerks). And he's kind of fallen in love with TAMMY, which is bad because she doesn't have a module for that.

With all that's on his mind, perhaps it's no surprise that when he meets his future self, he shoots him in the stomach. And that's a beginner's mistake for a time machine repairman. Now he's stuck in a time loop, going in circles forever. All he has, wrapped in brown paper, is the book his future self was trying to press into his hands. It's called How to Live Safely in a Science Fictional Universe. And he's the author. And somewhere inside it is the information that could save him.