Hmm...I'll have to think on this one.
The Royal Diaries
Mary, Queen of Scots
Anastasia, the Last Grand Duchess
Marie Antoinette
Catherine the Great
Victoria, May Blossom of Brittania
Pakula, Hannah. The Empress Frederick: An Uncommon Woman
Erikson, Carolly. Alexandra: The Last Tsarina
Hibbert, Christopher. Queen Victoria: A Personal History
Kurth, Peter. TSAR: The Lost World of Nicholas & Alexandra
Brewster, Hugh. Anastasia's Album
Alexander, Robert. The Romanovs: The Final Chapter
Fraiser, Antonia. Marie Antoinette: The Journey
Packard, Jerrold M. Victoria's Daughters
King, Greg and Wilson, Penny. Fate of the Romanovs
Vickers, Hugo. Alice: Princess Andrew of Greece
Van der Kiste, John. Dearest Vicky, Darling Fritz
Romanova, Aleksandra. The Last Diary of Tsartisa Aleksandra
The Quest For Anastasia
Finding Grace in Monaco
Zeepvat, Charlotte. Queen Victoria's Family: A Century in Photographs.
Bergamini, John. The Tragic Dynasty
Lines of Succession
Alexander, Robert. The Kitchen Boy
Reader's Digest, Elizabeth: Fifty Glorious Years
Whitney, Catherine. The Women of Windsor
Weir, Alison. The Wives of Henry VIII
Lacey, Robert. The Queen Mother's Century
And one political book about Juan Carlos I of Spain, another Queen Victoria biography, and I'm planning on buying The Romanov Bride soon.