Graham McColl is a freelance journalist and writer. He is the author of a number of both critically acclaimed and bestselling books on Celtic, including Celtic: The Official Biography, The Head Bhoys: Celtic's Managers, Celtic In Europe, Celtic: The Official Illustrated History, Celtic: The Jock Stein Years and The Essential History of Celtic. He also assisted Tommy Gemmell and Bobby Lennox, the Lisbon Lions, with their autobiographies: Lion Heart and Thirty Miles From Paradise. Others of his books include How To Win The World Cup and '78 - How A Nation Lost The World Cup. He also edited and provided the written contributions to Visions Of Football; A Collection Of The World's Finest Football Photography. He contributes regularly to The Times and has written for When Saturday Comes and FourFourTwo as well as numerous other publications.