Drago #4 (Paperback)
Drago #4 Local Bandon Mystery Series by Art Spinella
D.B. Cooper needs Nick's help. But first Drago must solve a puzzle. A bizarre package contains a letter that claims police and government authorities have misidentified and arrested a man they claim is D.B. Cooper. To prove the accused hijacker is innocent, Nick has to decipher the writer's clues to convince the Feds to look elsewhere. And Sal, missing in the labyrinth of a secret government agency, sends up a distress flare. Nick Drago loves puzzles, but usually only one at a time.