Set of two hardcover books on Early Modern naval history (Spanish Armada, siege of Malta)

Set of two mid 20th century books (published in late 1950s / early 1960s) on naval history. By the Reprint Society.
Titles:
The Great Siege by Ernie Bradford
The Defeat of the Spanish Armada by Garrett Mattingly
Good condition albeit with some spotting to the pages, particularly at the edges (see photos).