LonCon3 is the first time this fete of the fantastic has visited the UK since 2006 when the 63rd worldcon hit Glasgow.
Here are the top 21 sci-fi and fantasy authors you should be reading this year.
1. Joe Abercrombie

2. Jaine Fenn

3. Malorie Blackman

4. Nicola Griffith

5. Matt Haig

6. Frances Hardinge

7. Nick Harkaway

8. Joanne Harris

9. M John Harrison

10. Simon Ings

11. Laura Lam

12. China Mieville

13. David Mitchell

14. Sarah Pinborough

15. Adam Roberts

16. Justina Robson

17. Liesel Schwarz

18. Samantha Shannon

19. James Smythe

20. Charlie Stross

21. Jo Walton
