Beware the butterfly effect! With stories from Ray Bradbury, George R.R. Martin, Harry Turtledove, here are 16 journeys into the past that might just change everything, forever.

Intrepid chrononauts Ann and Jeff VanderMeer have scoured time itself to bring you this instalment (the second 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.

Just as well then that within these pages you'll also find Stan Love's Time Travel in Theory and Practice...

• The Time Traveller's Almanac Part III- Mazes & Traps: A Treasury of Time Travel Fiction - Brought to You from the Future: A Treasury of Time Travel Fiction ... from the Future (Time Traveller's Almanac 3)
• The Time Traveller's Almanac Part IV - Communiqués: A Treasury of Time Travel Fiction - Brought to You from the Future: A Treasury of Time Travel Fiction ... from the Future (Time Traveller's Almanac 4)
• The Time Traveller's Almanac Part I - Experiments: A Treasury of Time Travel Fiction - Brought to You from the Future: A Treasury of Time Travel Fiction ... from the Future (Time Traveller's Almanac 1)
• The Second Time Travel Megapack: 23 Modern and Classic Stories
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