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 Greatcoats series / Sebastien de Castell
  13. The Mortal Instruments series / Cassandra Clare
  14. Seven Realms series / Cinda Williams Chima 
  15. Hunger Games trilogy / Suzanne Collins
  16. Pellinor series / Alison Croggon 
  17. The Empire trilogy / Raymond E. Feist and Janny Wurts
  18. Inkheart trilogy / Cornelia Funke
  19. Eon duology / Alison Goodman
  20. Chronicles of the Fallers duology / Peter F. Hamilton
  21. The Tale of Shikanoko series / Lian Hearn
  22. The Farseer trilogy / Robin Hobb 
  23. The Liveship Traders trilogy / Robin Hobb
  24. The Tawny Man trilogy / Robin Hobb
  25. The Rain Wild Chronicles / Robin Hobb
  26. The Fitz and the Fool trilogy / Robin Hobb
  27. Eagles of Rome trilogy / Ben Kane
  28. The Powder Mage trilogy / Brian McClellan 
  29. The Twilight Saga / Stephanie Meyer
  30. Old Kingdoms trilogy / Garth Nix 
  31. Keys to the Kingdom series / Garth Nix 
  32. The Seventh Tower series / Garth Nix
  33. The Inheritance Cycle / Christopher Paolini 
  34. Chronicles of Ancient Darkness / Michelle Paver
  35. The Remnant Chronicles / Mary E. Pearson
  36. His Dark Materials trilogy / Philip Pullman 
  37. Empress of Bright Moon duology / Weina dai Randel
  38. Percy Jackson series / Rick Riordon
  39. The Initiate Brother duology / Sean Russell
  40. Raven Shadows trilogy / Anthony Ryan
  41. Harry Potter series / J K Rowling
  42. Mistborn trilogy / Brandon Sanderson 
  43. Avry of Kazan trilogy / Maria V Snyder
  44. Study trilogy / Maria V Snyder
  45. Bartimaeus series / Jonathan Stroud
  46. The Riyria Revelations series / Michael J Sullivan
  47. The Riyria Chronicles series / Michael J Sullivan
  48. Echoes of the Fall trilogy / Adrian Tchaikovsky
  49. Reboot duology / Amy Tintera
  50. Southern Reach trilogy / Jeff Vandermeer
  51. Leviathan trilogy / Scott Westerfeld

 

That is 51 series that I have completed as of 01/08/18
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.