The Phantom of the Opera newspaper articles and interviews relating to the Paris Opera House, and the character Erik (the phantom) who fills the roles of the "mad genius", disfigured monster, and one of three in a love triangle all at once. Fitzpatrick argues that all of these elements make the book good for light reading. Myers agrees that the novel makes for a good "airplane read", but says that it fails in terms of being a good mystery novel. She claims that one of the book's downfalls is that one of the important characters - the mysterious Persian - is introduced too late in
The Phantom of the Opera (1986 musical) and Canadian productions. The recording of the 1986 original London cast, released by Polydor Records in 1987, was released in both a single CD "Highlights From The Phantom of the Opera" and a two CD "Phantom of the Opera", both of which have been certified 4× Platinum in the US and sold 4.97 million copies as of January 2017. "The Complete Recordings" edition has sold 507,000 copies since 1991. "Phantom" was also certified 3× Platinum in the UK. The Canadian cast recording went 2× Platinum in Canada. In Switzerland, "Phantom" was certified 3× Platinum and "Highlights" was certified 2× Platinum.