The Unofficial Master Annual 2074, ed.  Mark Worgan

Second paragraph of third chapter:

A student at the London School of Economics, Delgado did not complete his degree. He only lasted 18 months working in the business sector before pursuing his dream of being air actor at the age of 20. Starting out in repertory, through sheer determination, hard work and natural talent, he became a familiar figure on film, television and radio. The list of names he worked with is a who’s who of film stars, including Alex Guinness, John Mills, Christopher Lee, Charlton Heston, Laurence Olivier, Diana Dors, Rex Harrison, Bob Hope and Bing Crosby. The diversity of that list shows that, whilst often typecast as the villain, Delgado was far from being a one-trick pony. He could lend his talents to a variety of genres, from the swashbuckling adventure and Hammer horror, to pantomime and comedy.

Another of the unofficial annuals, following the unofficial Doctor Who annuals for 1965, 1972 and 1987, this takes the Delgado!Master as the central character and has him endure various adventures of his own. One or two of them could have benefitted from a firmer smack of the editor’s hand, but in general it’s an entertaining exploration of one of the most important secondary characters of the show. There’s a particularly good early one with the Monk.

My copy is in the Omnibus edition with the unofficial 1965 and 1972 Doctor Who annuals, and also includes a few Seventh Doctor/Ace stories in case the series had been continued.

Out of print, sorry!