Doctor Who: The Vault is a journey through 50 years of Doctor Who, via carefully selected photographs, props, costumes, stills, production memos, letters, scripts, merchandise, and toys. This "museum in a book" tells the story of Doctor Who year-by-year, from the first pre-production memo in 1963 to the most recent props created for the latest series in 2013. It also includes new interviews with key players such as William Russell (one of Doctor Who's companions appearing in most of the episodes of the first two seasons in 1963 and 1964), Terrance Dicks (the main Doctor Who script editor from 1968 ? 1974 and writer of more than 60 novelizations of the TV series), Tom Baker (the hugely popular Fourth Doctor), Steven Moffat (the current lead writer, showrunner and co-creator of Sherlock), and Matt Smith.