Completed Series

  1. The Grisha trilogy / Leigh Bardugo
  2. Six of Crows duology / Leigh Bardugo
  3. The Darkest Minds trilogy / Alexandra Bracken
  4. Red Rising trilogy / Pierce Brown 
  5. Codex Alera series / Jim Butcher 
  6. Mediator series / Meg Cabot
  7. Missing series / Meg Cabot
  8. Airhead trilogy / Meg Cabot
  9. The Black Magician trilogy / Trudi Canavan 
  10. The Age of Five trilogy / Trudi Canavan
  11. The Traitor Spy trilogy / Trudi Canavan 
  12. The Mortal Instruments series / Cassandra Clare
  13. Seven Realms series / Cinda Williams Chima 
  14. Hunger Games trilogy / Suzanne Collins
  15. Pellinor series / Alison Croggon 
  16. The Empire trilogy / Raymond E. Feist and Janny Wurts
  17. Inkheart trilogy / Cornelia Funke
  18. Eon duology / Alison Goodman
  19. Chronicles of the Fallers duology / Peter F. Hamilton
  20. The Tale of Shikanoko series / Lian Hearn
  21. The Farseer trilogy / Robin Hobb 
  22. The Liveship Traders trilogy / Robin Hobb
  23. The Tawny Man trilogy / Robin Hobb
  24. The Rain Wild Chronicles / Robin Hobb
  25. Eagles of Rome trilogy / Ben Kane
  26. The Powder Mage trilogy / Brian McClellan 
  27. The Twilight Saga / Stephanie Meyer
  28. Old Kingdoms trilogy / Garth Nix 
  29. Keys to the Kingdom series / Garth Nix 
  30. The Seventh Tower series / Garth Nix
  31. The Inheritance Cycle / Christopher Paolini 
  32. Chronicles of Ancient Darkness / Michelle Paver
  33. The Remnant Chronicles / Mary E. Pearson
  34. His Dark Materials trilogy / Philip Pullman 
  35. Empress of Bright Moon duology / Weina dai Randel
  36. Percy Jackson series / Rick Riordon
  37. The Initiate Brother duology / Sean Russell
  38. Raven Shadows trilogy / Anthony Ryan
  39. Harry Potter series / J K Rowling
  40. Mistborn trilogy / Brandon Sanderson 
  41. Avry of Kazan trilogy / Maria V Snyder
  42. Study trilogy / Maria V Snyder
  43. Bartimaeus series / Jonathan Stroud
  44. The Riyria Revelations series / Michael J Sullivan
  45. The Riyria Chronicles series / Michael J Sullivan
  46. Reboot duology / Amy Tintera
  47. Southern Reach trilogy / Jeff Vandermeer
  48. Leviathan trilogy / Scott Westerfeld

 

That is 48 series that I have completed as of 19/01/18
If you want a review or my thoughts on any of these series then let me know in the comments and I would be happy to do that.