Lords, Dukes, Earls and Sirs in the Title
8. 
Harry Potter and the Half-Blood Prince (Harry Potter, #6)
by:
J.K. Rowling
4.58 avg rating — 3,563,123 ratings 
16. 
25. 
To Marry an English Lord or, How Anglomania Really Got Started
by:
Gail MacColl
3.59 avg rating — 5,750 ratings 26. 
29. 
Bringing Down the Duke (A League of Extraordinary Women, #1)
by:
Evie Dunmore
3.93 avg rating — 91,668 ratings 29. 
Lord John and the Brotherhood of the Blade (Lord John Grey, #2)
by:
Diana Gabaldon
3.95 avg rating — 28,977 ratings 31. 
The Assassin and the Pirate Lord (Throne of Glass, #0.1)
by:
Sarah J. Maas
4.18 avg rating — 71,632 ratings 32. 
35. 
Lord Foul's Bane (The Chronicles of Thomas Covenant the Unbeliever, #1) 3.72 avg rating — 49,455 ratings
36. 
Sex with Kings: 500 Years of Adultery, Power, Rivalry, and Revenge
by:
Eleanor Herman
3.69 avg rating — 8,260 ratings 
41. 
45. 
Ten Ways to Be Adored When Landing a Lord (Love By Numbers, #2)
by:
Sarah MacLean
3.88 avg rating — 29,307 ratings 
46. 
46. 
51. 
52. 
The Dead Duke, His Secret Wife, and the Missing Corpse: An Extraordinary Edwardian Case of Deception and Intrigue 3.31 avg rating — 1,665 ratings
55. 
The Assassination of the Archduke: Sarajevo 1914 and the Romance that Changed the World
by:
Greg King
4.04 avg rating — 1,652 ratings 56. 
The Lost King of France: How DNA Solved the Mystery of the Murdered Son of Louis XVI and Marie Antoinette
by:
Deborah Cadbury
4.20 avg rating — 2,414 ratings 
56. 
Lord John and the Hand of Devils (Lord John Grey, #0.5, #1.5, #2.5)
by:
Diana Gabaldon
3.92 avg rating — 20,244 ratings 
60. 
Eleven Scandals to Start to Win a Duke's Heart (Love By Numbers, #3)
by:
Sarah MacLean
3.98 avg rating — 31,172 ratings 60. 
Lord of the White Hell, Book 1 (The Cadeleonian Series, #1)
by:
Ginn Hale
4.02 avg rating — 5,635 ratings 60. 
Dukes of Madness (Royals of Forsyth University, #5)
by:
Angel Lawson
4.40 avg rating — 9,590 ratings 63. 
64. 
The Poison King: The Life and Legend of Mithradates, Rome's Deadliest Enemy
by:
Adrienne Mayor
3.95 avg rating — 2,197 ratings 
66. 
Castles, Customs, and Kings: True Tales by English Historical Fiction Authors
by:
Debra Brown
3.88 avg rating — 259 ratings 66. 
One Good Earl Deserves a Lover (The Rules of Scoundrels, #2)
by:
Sarah MacLean
4.02 avg rating — 33,953 ratings 
69. 
Lord John and the Private Matter (Lord John Grey, #1)
by:
Diana Gabaldon
3.76 avg rating — 49,972 ratings 
73. 
73. 
Dukes of Peril (The Royals of Forsyth University, #6)
by:
Angel Lawson
4.41 avg rating — 8,810 ratings 76. 
76. 
Genghis Khan and the Making of the Modern World
by:
Jack Weatherford
4.06 avg rating — 80,995 ratings 78. 
The Perfect King: The Life of Edward III, Father of the English Nation
by:
Ian Mortimer
4.20 avg rating — 2,533 ratings 78. 
80. 
The Once and Future King (The Once and Future King, #1-5)
by:
T.H. White
4.07 avg rating — 116,431 ratings 81. 
Le Morte d'Arthur: King Arthur and the Legends of the Round Table
by:
Thomas Malory
3.92 avg rating — 38,981 ratings 
82. 
84. 
The Return of the King (The Lord of the Rings, #3)
by:
J.R.R. Tolkien
4.58 avg rating — 1,004,387 ratings 85. 
The King's Mother: Lady Margaret Beaufort, Countess of Richmond and Derby
by:
Michael Jones
3.91 avg rating — 58 ratings 
87. 
Winter King: Henry VII and the Dawn of Tudor England
by:
Thomas Penn
3.83 avg rating — 4,167 ratings 88. 
Lord of the Spiders or Blades of Mars (Michael Kane, Vol. 2)
by:
Michael Moorcock
3.46 avg rating — 441 ratings 
92. 
99. 
The Secrets of Sir Richard Kenworthy (Smythe-Smith Quartet, #4)
by:
Julia Quinn
3.68 avg rating — 30,103 ratings 100. 
The King's Speech: How One Man Saved the British Monarchy
by:
Mark Logue
3.71 avg rating — 10,187 ratings