First published in 1929, public domain in the US, ''The Perfect Murder Case'' by Christopher Bush: An individual taking the name 'Marius' boasts in a series of letters that he will commit the Perfect Murder, daring Scotland Yard detectives to catch him if they can. Ex-CID officer John Franklin and the amateur but astute detective Ludovic Travers will need to draw conclusons from a soiled letter, a locked room murder, four cast-iron alibis, and trips to France, in a feverish search for the killer and proof of his misdeeds—before 'Marius' can strike again. Enjoy mystery author Christopher Bush's most popular book!