Theodore Sturgeon, Kim Newman, Greg Egan and Adrian Tchaikovsky amongst others present 17 temporal paradoxes. Intrepid chrononauts Ann and Jeff VanderMeer have scoured time itself to bring you this instalment (the third of four) from their über-guide to exploring the fourth dimension, THE TIME TRAVELLER'S ALMANAC. Be warned: reality will be warped, wormholes opened, paradoxes woven and parallel universes breached. At least you won't have to worry about what to wear – within these pages you'll also find Genevieve Valentine's fashion tips for time travellers.