The Case of the Musical Cow (Pocket Mystery, #1063)
by Erle Stanley Gardner
Category: Fiction

Rob Trenton, an American dog trainer by profession, makes a tour of Paris and Switzerland with fellow passengers from his ship. Artist Linda Carroll arouses his curiosity. Strange Merton Ostrander joins them for the return. When New York Customs search Rob for contraband after a fake tip-off, Rob’s life turns upside down.