Why Didn't They Ask Evans?

Was it a misstep that sent the handsome stranger plummeting to his death from a cliff? Or something more sinister? Fun-loving adventurers Bobby Jones and Francis Derwit's suspicions are certainly aroused-especially since the man's dying words were so peculiar: Why didn't they ask Evans? Bobby and Francis would love to know. Unfortunately, asking it of the wrong people have sent the amateur sleuths running for their lives-on a wild and deadly pursuit to discover who Evans is, what it was he wasn't asked, and why the mysterious inquiry has put their own lives in mortal danger..