From the back cover:
"IN THE SAVAGE SKIES OF WORLD WAR TWO, A CRACK FLYING ACE DIED IN BLAZING AGONY. NOW, AFTER 40 YEARS, HE HAS RETURNED.
A shattering personal tragedy transforms British attorney Ian Lamont's idyllic life into an unceasing nightmare. But the dark visions of devastation and suffering that haunt the part-time pilot seem to emanate from a bizarre, unexpected source. A tortured cry from the errant soul of an aviator shot down a generation earlier over war-torn Europe - Ian's late father, Peter Lamont.
Led by the grim spectre of a shadowy past......"
10/18/17 update -This book is still at the Library where I donated it over 4 years ago, and it was on my PBS bookshelf for 6 years before that. It couldn't be THAT bad.