A Sense of Self-Righteousness Weighs Down "The Crucible."

Muller cowrote the new book, "Grindhouse: The Forbidden World of 'Adults Only' Cinema." It's a visual history of adult cinema and all it's paraphernalia from the 1920s thru the 1970s. Many of the items used in the book Muller rescued from a dumpster of an old theatre in San Francisco. Muller is a journalist and is founder and director of the San Francisco Historical Boxing Museum.

Rock historian Ed Ward tells us about bass player Carol Kaye, who he says, in the early 1960s, "virtually invented electric bass playing."

Laura Joplin is the younger sister of the rock legend Janis Joplin. Her new book, "Love XX Janis," was inspired by a bundle of letters Laura found of her sister's. This is the first time the letters are published. Laura is six years younger than Janis, and was 21 when Janis died. There's a new episode of the VH1 documentary series "Legends" about Janis Joplin, in which Laura reads some of the letters of her sister.