Snowfall Is this book about an attempted murder of a slightly autistic woman and the question of who and why ... or does it concern the developing romantic attachment of an autistic woman and the policeman who saves her life ... or is it a study of how an autistic woman in her late thirties has learned to live with her problems of communication? ... and why is DCI Mike Wilson alone on the Yorkshire fells in winter? The book is about none of these and all of them. Ultimately the reader must decide for him/herself There are times when this story verges on the explicit as it explores the growing relationship, but needs no more than a mild warning.