Why Didn't They Ask Evans?

Plot

While playing an erratic round of golf, Bobby Jones slices his ball over the edge od a cliff. His ball is lost, but on the rocks below he finds the crumpled body of a dying man. With his final breath the man opens his eyes and says: 'Why didn't they ask Evans?'

Haunted by these words, Bobby and his vivacious companion, Frankie, set out to solve a mystery that will bring them into mortal danger.