In the Onyx Lobby

This novel revolves around the investigation of a murder. Herbert Binney is discovered dead in the onyx lobby of a fashionable Manhattan apartment building, holding a piece of paper with the scribbled message «women did this.» Herbert Binney is the owner of Binney's Buns, a well-known food company. There are several suspects in this mystery novel. With vast wealth and the secret recipe for Binney's Buns at stake, who then is responsible for Herbert Binney's death?