"The Mystery of the Talking Skull" is a vintage hardcover novel from 1969 in the "The Three Investigators" series by Alfred Hitchcock. This detective fiction story is intended for young adult readers and is set in the 1960s. Published by Random House in the United States, this mystery novel features a talking skull as a central element of the plot, making it a unique and intriguing read for fans of detective stories and Alfred Hitchcock's work."