Dilys Laye

About to set sail, Captain Crowther discovers that some of his crew have been replaced by inexperienced men. The doctor has never sailed; the cook can't cook; the steward doesn't know how to mix a drink. With a crew like this, you are in for an uproarious time.

The misadventures of a group of inept trainee spies on the trail of a secret formula misappropriated by a subversive organization known as S.T.E.N.C.H.