Lois McMaster Bujold books in order
37 books in the catalogue, about 252 hours of reading in all; the shortest takes 1 hour and the longest 16 hours.
4 series and 13 standalone books in the catalogue.
The Vorkosigan Saga
23 books 1 
Shards of Honor 5.0 h 
Ethan of Athos 4.4 h 4 
Falling Free 5.6 h 
The Vor Game 6.4 h 
Barrayar 7.1 h 9 
Mirror Dance 7.2 h 10 
Cetaganda 5.5 h 
Dreamweaver's Dilemma 4.6 h 12 
Memory 8.5 h 13 
Komarr 5.8 h 14 
A Civil Campaign 7.7 h 15 Winterfair Gifts 1.4 h 16 
Diplomatic Immunity 6.1 h 17 
Cryoburn 6.4 h 18 
Captain Vorpatril's Alliance 7.9 h 19 
Gentleman Jole and the Red Queen 6.5 h 20 
The Flowers of Vashnoi 1.8 h
Shards of Honor 5.0 h 2 The Warrior's Apprentice length not known
3 Ethan of Athos 4.4 h 4 Falling Free 5.6 h 5 Brothers in Arms length not known
6 Borders of Infinity length not known
6 The Mountains of Mourning length not known
7 The Vor Game 6.4 h 7 Weatherman length not known
8 Barrayar 7.1 h 9 Mirror Dance 7.2 h 10 Cetaganda 5.5 h 11 Labyrinth length not known
11 Dreamweaver's Dilemma 4.6 h 12 Memory 8.5 h 13 Komarr 5.8 h 14 A Civil Campaign 7.7 h 15 Winterfair Gifts 1.4 h 16 Diplomatic Immunity 6.1 h 17 Cryoburn 6.4 h 18 Captain Vorpatril's Alliance 7.9 h 19 Gentleman Jole and the Red Queen 6.5 h 20 The Flowers of Vashnoi 1.8 h World of the Five Gods
3 books
The Sharing Knife
4 books
Penric and Desdemona
13 books 1 Penric's Demon length not known
2 
Penric and the Shaman 4.0 h 3 Penric's Mission length not known
4 Penric's Fox length not known
5 Mira's Last Dance length not known
6 The Prisoner of Limnos length not known
7 Masquerade in Lodi length not known
8 The Orphans of Raspay length not known
9 The Physicians of Vilnoc length not known
10 The Assassins of Thasalon length not known
11 Knot of Shadows length not known
12 Demon Daughter length not known
13 Penric and the Bandit length not known
Standalone books
The Warrior Apprentice 5.8 h 
Borders of Infinity 5.7 h 
Brothers in Arms 6.2 h 
The Mountains of Mourning-A Miles Vorkosigan Hugo and Nebula Winning Novella 1.9 h 
The Spirit Ring 6.8 h 
Cordelia's Honor 11.0 h 
Young Miles 10.9 h 
Miles, Mystery & Mayhem 9.3 h 
Irresistible Forces 6.7 h 
Miles in Love 16.1 h 
Horizon 8.1 h 
Infinite Stars 9.9 h 
Penric's Mission 4.8 h