007 Book: On Her Majesty’s Secret Service (1963)

On Her Majesty’s Secret Service is the tenth novel in Ian Fleming’s
James Bond series and the second book in what is known as the “Blofeld
trilogy”, which begins with Thunderball and concluded with You Only Live
Twice. The story centres on Bond’s ongoing search to find Ernst Stavro
Blofeld after the Thunderball incident; through contact with the College of
Arms in London Bond finds Blofeld based in Switzerland.