For more new books about royalty see:
FRANCE
Author: James Naus.
Title: Constructing Kingship. The Capetian monarchs of France and the early Crusades.
Published: March 2018 by Manchester University Press.
Language: English.
FRANCE
Author: Françoise Surcouf.
Title: Histoire secrète des rois et ducs de Bretagne (Secret history of the kings and dukes of Brittany).
Published: 2 March 2018 at Ouest France.
Language: French.
FRANCE
Author: Leonie Frieda.
Title: Francis I. The Maker of Modern France.
Published: 8 March 2018 by Weidenfeld & Nicolson.
Language: English.
FRANCE
Author: Marie-Claude Canova-Green.
Title: Faire le roi. L’autre corps de Louis XIII (Make the king. The other body of Louis XIII).
Published: 14 March 2018 by Fayard.
Language: French.
FRANCE (NOBILITY)
Author: Elizabeth Chalmers MacKnight.
Title: Nobility and patrimony in modern France
Published: March 2018 by Manchester University Press.
Language: English.
GENERAL
Author: Susanna Blaser-Meier.
Title: Hic lacet Regina: Form und Funktion figürlicher Königinnengrabmäler – von 1200 bis 1450 (Form and Function of figurative queen’s tombs).
Published: March 2018 by the Michael Imhof Verlag.
Language: German.
INDIA
Author: Karni Jasol.
Title: Peacock in the Desert. The Royal Arts of Jodhpur, India. Exhibition catalogue.
Published: 20 March 2018 by the Museum Fine Arts Houston.
Language: English.
PRUSSIA
Author: Barbara Beuys.
Title: Sophie Charlotte: Preußens erste Königin (Sophie Charlotte: the First Queen of Prussia).
Published: 12 March 2018 by the Insel Verlag.
Language: German.
ROMANIA
Author: Silvia Irina Zimmerman (ed.). A project of the Forschungsstelle Carmen Sylva/Fürstlich Wiedisches Archivs (Neuwied) & Arhivele Naţionale ale României (National Archive of Romania) (Bucharest).
Title: Der Briefwechsel Elisabeths zu Wied mit ihrem Gemahl Carol I. von Rumänien aus dem Rumänischen Staatsarchiv (1869-1913) (The corresponce of Elisabeth zu Wied with her husband Carol I of Romania from the Romanian State Archive, 1869-1913), 2 Volumes
Published: February or March 2018 at the ibidem-Verlag.
Language: German.
SACHSEN-COBURG UND GOTHA
Author: Günter Fuhrmann.
Title: Haus der Könige: das Wiener Palais Coburg. Throne, Triumphe, Tragödien (House of Kings: The Vienna Palais Coburg. Throne, Triumph, Tragedies).
Published: March 2018 by Amalthea Signum.
Language: German.
SACHSEN-COBURG UND GOTHA
Author: Based on notes by Prince Friedrich Josias of Saxe-Coburg and Gotha.
Title: The Duke – Carl Eduard Herzog von Sachsen-Coburg und Gotha (The Duke – Life and Times of Duke Carl Eduard of Saxe-Coburg and Gotha, Duke of Albany).
Published: March 2018. Available through Prince Andreas of Saxe-Coburg and Gotha. Eurohistory.
Language: German. Not sure if the English version already has been finished.
THE NETHERLANDS
Author: Josine Droogendijk.
Title: De magie van Máxima. 5 jaar modekoningin (The Magic of Máxima. 5 Years Fashion Queen).
Published: March 2018 by Pepper Books.
Language: Dutch.
THE NETHERLANDS
Author: Ronald de Graaf.
Title: De Prins. Willem van Oranje, 1533-1584 (The Prince. William of Orange, 1533-1584).
Published: March 2018 by Uitgeverij Karmijn.
Language: Dutch.
UNITED KINGDOM
Author: Katie Nicholl
Title: Harry. Life, Loss, and Love.
Published: March 2018 by Hachette Books.
Language: English.
UNITED KINGDOM
Author: Tom Bower.
Title: Rebel Prince. The Powre, Passion and Defiance of Prince Charles.
Published: 22 March 2018 by HarperCollins Publishers.
Language: English.
UNITED KINGDOM
Authors: David Eskerdjian, Barbara Furlotti, Erin Griffey, Gregory Martin, Guido Rebecchini, Vanessa Remington, a.o.
Title: Charles I: King and Collector.
Published: 27 March 2018 by the Royal Academy of Arts.
Language: English.
UNITED KINGDOM
Author: Peter Arengo-Jones.
Title: Queen Victoria in der Schweiz (Queen Victoria in Switzerland).
Published: March 2018 by Hier und Jetzt.
Language: German.