Royalty

Harry Potter and the Half-Blood Prince by J K Rowling
The Runaway Princess by Christina Dodd
Prince Caspian by C S Lewis
The Prince's Bride by Victoria Alexander
Hazards of Hunting a duke by Julia London

I thought we did this one. Well, no reason we can't do it again!

The Emperor's Babe, by Bernardine Evaristo
King René's Book of Love
Romance of the Queen Pédauque, by Anatole France
The Princess Casamassima, by Henry James
Richard III's Books: Ideal and Reality in the Life of a Medieval Prince, by Anne F. Sutton

On Her Majesty's Secret Service by Ian Fleming
The Queen's Fool by Philippa Gregory
The Duke by Gaelen Foley
The Barefoot Princess by Christina Dodd
The Little Prince by Antoine de Saint-Exupery

The Other Queen, by Philippa Grregory
Queen Isabella, by Alison Weir
The Duchess of Bloomsbury Street, by Helene Hanff
The Queen of Bedlam
The Once and Future King, by TH White

Queen's Play by Dorothy Dunnett
The Queen's Gambit by Walter Tevis
The Corn King and the Spring Queen by Naomi Mitchison
The Ice Queen by Alice Hoffman
The Snow Queen by Joan D. Vinge

Count Zero by William Gibson
Queen City Jazz by Kathleen Ann Goonan
King of Hell by In-Soo Ra
King Rat by China Miéville
Emperor of Gondwanaland and Other Stories by Paul Di Filippo

The Chili Queen by Sandra Dallas
Desert Queen: the Extraordinary Life of Gertrude Bell by Janet Wallach
The Prince by Niccolo Machiavelli
The Princess Diaries by Meg Cabot
The King who Rained by Fred Gwynne

The princess bride by William Goldman
The ring of the slave prince by Bjarne Reuter
The Princess and Curdie (Puffin Classics) by George MacDonald
Princess Alyss of Wonderland by Frank Beddor
The Purple Emperor (The Faerie Wars Chronicles) by Herbie Brennan

The Happy Prince by Oscar Wilde
The Kingdom of Carbonel by Barbara Sleigh
A Little Princess by Frances Hodgson Burnett
The Last King of Scotland by Giles Foden
The Man Who Would Be King by Rudyard Kipling

Anna and the King of Siam by Margaret Landon
At Her Majesty's Request: An African Princess in Victorian England by Walter Dean Myers
The Frog Prince Continued by Jon Scieszka
Witch Queen of Mongo by Alex Raymond
Prince of Peace by James Carroll

One Day I Saw A Black King by J.D. Mason
Queen of the Damned by Anne Rice
Fall of Kings by David Gemmell
King Beyond the Gate by David Gemmell
Lord of the Silver Bow by David Gemmell

Queen of Swords by Sara Donati
The Prince of Tides by Pat Conroy
The Bible - King James Version by God
Lord of the Flies by William Golding
Lord of the Rings by JRR Tolkien

All the king's men Robert Penn Warren
The Snow Queen Hans Christian Anderson

All the king's men Robert Penn Warren
The Snow Queen Hans Christian Anderson
The beet queen Louise Erdrich
The prince & the pauper Mark Twain
Duchess of Duke Street Molly Hardwick

The Ice Queen by Alice Hoffman
The River King by Alice Hoffman
The Queen of Harlem by Brian Keith Jackson
A King's Ransom by James Grippando
Lords of Light by Depak Chopra

Lord Chesterfield's Letters
Travels with Queen Victoria
Dieting with the Duchess
A Season of Knives: A Sir Robert Carey Mystery
Mistress of the Elgin Marbles: A Biography of Mary Nisbet, Countess of Elgin

When Corruption Was King: How I Helped the Mob Rule Chicago, Then Brought the Outfit Down by Robert Cooley
Queen of the Damned by Anne Rice
The King of Torts by John Grisham
Kiss of the Fur Queen by Tomson Highway
The Favourite: Sarah, Duchess of Marlborough by Ophelia Field

King Lear by William Shakespeare
A Connecticut Yankee in King Arthur's Court by Mark Twain
Guenevere Queen of the Summer Country by Rosalind Miles
The Prince Kidnaps a Bride by Christina Dodd
God Emperor of Dune by Frank Herbert

The Willful Princess and the Piebald Prince by Robin Hobb
The Dead Travel Fast: Stalking Vampires from Nosferatu to Count Chocula by Eric Nuzum
King's Dragon by Kate Elliott
Red Queen by H. M. Brown
The Lords of Discipline by Pat Conroy

The Grey King by Susan Cooper
Queen Maker: A Novel of King David's Queen by India Edghill
Lords and Ladies by Terry Pratchett
The Black Prince by Iris Murdoch
The Princess of Burundi by Kjell Eriksson

Pericles, Prince of Tyre by William Shakespeare

Hamlet, Prince of Denmark by William Shakespeare

Rudolf, Crown Prince and Rebel by Brigitte Hamann

"Kaiulani, the Peopleʻs Princess" by Ellen Emerson White

"The Queenʻs Gambit" by Walter Tevis