Black coffee (Hercule Poirot mysteries 7.)
by Christie, Agatha, 1890-1976., Osborne, Charles, 1927- (Adapter)
Series
Summary
Sir Claud Amory's formula for a powerful new explosive has been stolen, presumably by a member of his large household. Sir Claud assembles his suspects in the library and locks the door, instructing them that the when the lights go out, the formula must be replaced on the table -- and no questions w... Full description