A former bookseller and website editor, Travis Elborough has been a freelance writer, author and cultural commentator for the last decade. His books include The Bus We Loved: London’s Affair with the Routemaster and The Long-Player Goodbye: the Album from Vinyl to iPod and Back Again (published in the US as The Vinyl Countdown).   He is a regular contributor to the Guardian and has written for Sunday Times, New Statesman, The Oldie, TATE ETC., and BBC History magazine and frequently appears on BBC Radio 4 and Five Live.  He lives in London. 

Nick Rennison has worked as a writer, editor and bookseller for more than twenty years. He has a particular interest in London's history and literature and has written extensively on both subjects. His London Blue Plaque Guide has been through three editions in the last decade and he has also published The Book of London Lists, described by the London Evening Standard as a book that 'can teach even the most die-hard Londoner something they didn't know'. His many other books include Sherlock Holmes: The Unauthorised Biography, The Rivals of Sherlock Holmes, The Good Reading Guide to Crime Fiction and Roget: The Man Who Became a Book. He is currently working on a crime novel set in nineteenth-century London.