London By Tube: Over 80 intriguing short walks minutes away from London's tube stops

Christopher Winn's first book was the bestselling I Never Knew That About England. Volumes on Ireland, Scotland, Wales and London followed as well as books on the English, Scottish and Irish, alongside an illustrated edition of I Never Knew That About England and London. A freelance writer and collector of trivia for over 20 years, he has worked with Terry Wogan and Jonathan Ross and sets quiz questions for television as well as for the Daily Mail and the Daily Telegraph. He was also the Associate Producer for a TV series by ITV on Great Britain. He is married to artist Mai Osawa, who illustrates all the books in the series. His website is http://www.i-never-knew-that.com.