A hardback book: 'Elizabeth A Study In Power and Intellect' by Paul Johnson published in 1974. With this book there is also a letter on BBC headed notepaper dated 24th April 1974. It is from Miriam Rapp, a Producer on the BBC Radio programme Kaleidoscope, and is written to Robert Lacey, a British historian and biographer. The letter invites Robert to review the book in an interview with Nigel Rees who was the presenter of Kaleidoscope  
P.S.
1) Robert Lacey is a British historian and biographer. He is the author of a number of best-selling biographies, including those of Henry Ford, Eileen Ford, Queen Elizabeth II, and other royals, as well as several other works of popular history.
2) Nigel Rees is an English writer and broadcaster, known for devising and hosting the Radio 4 panel game 'Quote...Unquote', and as the author of      more than fifty books, mostly works of reference on language, and humour in language.