Dictionary.net

(of a book etc) so well written and entertaining as to be difficult to put down; "Unless the story is at once as unputdownable to a taxi driver as to a university professor it is not good enough"- Brian Burland

(of a book etc) so well written and entertaining as to be difficult to put down; "Unless the story is at once as unputdownable to a taxi driver as to a university professor it is not good enough"- Brian Burland