David Weber books in order
61 books in the catalogue, about 633 hours of reading in all; the shortest takes 5 hours and the longest 18 hours.
5 series and 30 standalone books in the catalogue.
Cycle Honor Harrington
15 books 1 On Basilisk Station 9.1 h 2 The Honor of the Queen 9.0 h 3 
The Short Victorious War 8.1 h 4 Field of Dishonor 8.1 h 5 Flag in Exile 9.0 h 6 
Honor Among Enemies 9.9 h 7 
In Enemy Hands 9.1 h 8 
Echoes of Honor 13.5 h 9 
Ashes of Victory 11.7 h 10 
War of Honor 16.2 h 
Mission of Honor 11.4 h 13 
A Rising Thunder 10.2 h 
Uncompromising Honor 17.4 h
The Short Victorious War 8.1 h 4 Field of Dishonor 8.1 h 5 Flag in Exile 9.0 h 6 Honor Among Enemies 9.9 h 7 In Enemy Hands 9.1 h 8 Echoes of Honor 13.5 h 9 Ashes of Victory 11.7 h 10 War of Honor 16.2 h 11 At All Costs length not known
12 Mission of Honor 11.4 h 13 A Rising Thunder 10.2 h By the Book length not known
14 Uncompromising Honor 17.4 h Honorverse
18 books Cycle Honor Harrington length not known
More Than Honor length not known
Worlds of Honor length not known
Changer of Worlds length not known
The Service of the Sword 9.0 h 
The Shadow of Saganami 15.7 h 
Storm from the Shadows 13.9 h 
A Beautiful Friendship 7.3 h 
In Fire Forged 7.4 h 
Fire Season 5.3 h 
A Call to Arms 7.8 h Beauty and the Beast length not known
Beginnings 7.0 h 
House of Steel: The Honorverse Companion 12.9 h Obligated Service length not known
The Best Laid Plans length not known
Manticore Ascendant length not known
Wages of Sin length not known
Dahak
3 books
Wages of Sin
3 books
Bahzell
4 books 1 
Oath of Swords 10.0 h 2 
The War God's Own 5.9 h 3 
Wind Rider's Oath 10.9 h
Oath of Swords 10.0 h 2 The War God's Own 5.9 h 3 Wind Rider's Oath 10.9 h 4 War Maid's Choice length not known
Standalone books
Insurrection 7.6 h 
Crusade 7.9 h 
On Basilisk Station 7.8 h 
The Honor of the Queen 7.7 h 
Field of Dishonor 6.7 h 
The Short Victorious War 6.9 h 
Flag in Exile 7.6 h 
In Death Ground 11.7 h 
Worlds of Honor 7.5 h 
March Upcountry 11.2 h 
1633 11.8 h 
March to the Sea (March Upcountry) 12.3 h 
The Shiva Option 12.8 h 
Empire from the Ashes 14.3 h 
March to the Stars 9.7 h 
At All Costs 15.9 h 
Bolo! 8.0 h 
In Fury Born 15.8 h 
Off Armageddon Reef 11.1 h 
By Schism Rent Asunder 13.1 h 
By Heresies Distressed 11.7 h 
A Mighty Fortress 13.2 h 
Out of the Dark 9.6 h 
Warriors 13.5 h 
How Firm a Foundation 13.4 h 
Shadow Of Freedom 9.6 h 
A Call to Duty 7.3 h 
Shadow of Victory 17.6 h 
The Road to Hell 15.8 h 
Infinite Stars 9.9 h