Franklin W. Dixon

"Neither snow nor rain nor heat nor gloom of night stays these couriers from the swift completion of their appointed rounds." But what happens when a drunken courier crashes a mail delivery plane? In this thrilling ninth Hardy Boys installment, teen detectives Frank and Joe narrowly avoid a collision with a mail plane at Bayport Airport. The pilot, fired from the postal service, loses everything--his aircraft, license, and livelihood--and triggers a path of revenge that gets the boys accused, arrested, and jailed for mail theft. Hold on tight as this electrifying mystery propels them into a race against time to prove their innocence.