Jim Butcher books in order
44 books in the catalogue, about 351 hours of reading in all; the shortest takes 1 hour and the longest 14 hours.
3 series and 16 standalone books in the catalogue.
The Dresden Files
36 books 1 
Storm Front 6.5 h 2 
Fool Moon 6.5 h 3 
Grave Peril 7.9 h 4 
Summer Knight 7.6 h 
Death Masks 7.6 h 6 
Blood Rites 7.2 h 7 
Dead Beat 8.3 h 8 
Proven Guilty 9.1 h 
White Night 8.4 h 
Small Favor 7.8 h 
Backup 1.3 h 
Turn Coat 9.8 h 
Changes 8.2 h 
Side Jobs 7.7 h 
Cold Days 10.6 h 
Skin Game 8.3 h 
Working for Bigfoot 2.5 h 
Brief Cases 8.1 h 16 
Peace Talks 7.6 h 17 
Battle Ground 7.9 h
Storm Front 6.5 h 2 Fool Moon 6.5 h 3 Grave Peril 7.9 h 4 Summer Knight 7.6 h A Restoration of Faith length not known
Vignette length not known
5 Death Masks 7.6 h 6 Blood Rites 7.2 h 7 Dead Beat 8.3 h 8 Proven Guilty 9.1 h Something Borrowed length not known
9 White Night 8.4 h Heorot length not known
It's My Birthday, Too length not known
10 Small Favor 7.8 h Backup 1.3 h Day Off length not known
Welcome to the Jungle length not known
11 Turn Coat 9.8 h Last Call length not known
The Warrior length not known
12 Changes 8.2 h Aftermath length not known
Love Hurts length not known
Side Jobs 7.7 h The Dresden Files short fiction length not known
13 Ghost Story length not known
14 Cold Days 10.6 h Ghoul, Goblin length not known
15 Skin Game 8.3 h War Cry length not known
Working for Bigfoot 2.5 h A Fistful of Warlocks length not known
Brief Cases 8.1 h 16 Peace Talks 7.6 h 17 Battle Ground 7.9 h The Codex Alera
6 books
The Cinder Spires
2 books
Standalone books
Dangerous Women 3 7.0 h 
Furies of Calderon (Codex Alera # 1) 8.7 h 
Academ's Fury 10.6 h 
Dead Beat (The Dresden Files, Book 7) 8.8 h 
My Big Fat Supernatural Wedding 5.8 h 
Many Bloody Returns 6.6 h 
Proven Guilty (The Dresden Files, Book 8) 10.0 h 
Blood Lite 7.2 h 
Jim Butcher's the Dresden Files 2.4 h 
Strange Brew 6.8 h 
Songs of Love & Death 11.9 h 
Ghost Story 8.8 h 
Dangerous Women 14.4 h Jim Butcher's Dresden Files (2 editions) 2.5 h 
Jim Butcher's Dresden Files: Down Town 2.6 h 
Jim Butcher's The Dresden Files Omnibus Volume 1 8.8 h