While on holiday in 1972, he started writing after rain kept the family inside with 'nothing' to do. Last Bus To Woodstock was published in 1975, featuring Inspector Morse. Morse is based on Colin's own interests - Wagner, ale, cryptic crosswords and English literature. An interesting fact is that, in true Alfred Hitchcock style, Colin made cameo appearances in almost all of the 33 episodes of the TV series, and in the spin-off show, Lewis.