For more new books about royalty see:
Author: translations by Andrew Kahn and Kelsley Rubin-Detlev.
Title: Catherine the Great. Selected Letters.
Published: 1 July 2018 by OUP Oxford.
Author: Rodney Laredo.
Title: Informally Royal. Studio Lisa and the Royal Family.
Published: 2 July 2018 by The History Press.