Librarian Note: There is more than one author by this name in the Goodreads database.
Born in Cheshire in 1928, Robert Leeson was a journalist for forty years, interrupted by army service in Egypt. He began to write for children in the 1960s and has had over 65 books published. In 1985 he received the Eleanor Farjeon Award for services to children's literature. Also published as R.A. Leeson
"The ghost on Barker's Bonk must have been half-animal, because it had horns and half-human, because it rode a bike. But it made a horrible howling noise that sounded like nothing on earth. Who, or what, was it?" - back jacket advert in Gift of the Tarns
NB - The Demon Bike Rider appears to be one of two (or more?) stories contained within The Adventures of Baxter & Co
"When Mike and his friends first hear about the Demon Bike Rider they think it can only be a joke, until one night they see it for themselves. Suggested level: primary, intermediate."