Robert Maier worked with filmmaker John Waters for fifteen years as a writer/producer/production manager on Waters' films "Polyester", "Hairspray", "Desperate Living", "Female Trouble", and "Cry-Baby", and with a dozen other low-budget movie-makers in Baltimore and New York City.
 Maier created the 30-minute underground film "Love Letter to Edie", a documentary on the life and career of actress Edith Massey, and wrote the book "Low Budget Hell: Making Underground Movies with John Waters" about the making of the movies of John Waters.
Divine Waters is a documentary film released in 1985 (shot in 1981) starring Divine and John Waters as themselves, along with Waters' father John Waters Sr. and sister Trish Waters.
Walter Avant "Van" Smith, Jr. (August 17, 1945 - December 5, 2006) was an American costume designer and make-up artist.
 He worked primarily in the films of John Waters, designing the costumes and make-up for every John Waters film from 1972 to 2004.
 Because of his work with Waters, he is considered one of the Dreamlanders, Waters' ensemble of regular cast and crew members.
Thomas Edward Meehan (August 14, 1929 – August 21, 2017) was an American writer.
 He was best known for writing the books for the musicals "Annie", "The Producers", and "Hairspray".
 Meehan also wrote the books for the musicals "Young Frankenstein" and "Cry-Baby" and co-wrote the books for "" and "".
Cry-Baby is a 1990 American teen musical romantic comedy film written and directed by John Waters.
 It was the only film of Waters' over which studios were in a bidding war, coming off the heels of the successful "Hairspray".
 The film stars Johnny Depp as 1950s teen rebel "Cry-Baby" Wade Walker, and also features a large ensemble cast that includes Amy Locane, Polly Bergen, Susan Tyrrell, Iggy Pop, Ricki Lake, and Traci Lords, with appearances by Troy Donahue, Joe Dallesandro, Joey Heatherton, David Nelson, Willem Dafoe, and Patricia Hearst.
Kim Diane McGuire (December 1, 1955 – September 14, 2016) was an American lawyer and author.
 A former actress, she was best known for her role of Mona "Hatchet-Face" Malnorowski in John Waters' 1990 comedy musical "Cry-Baby".
Traci Lords is an American actress, singer, writer, producer and director.
 After having appeared in dozens of pornographic films between 1984 and 1986 while she was underage, Lords made a transition to mainstream films.
 She made her mainstream screen debut in "Not of This Earth" (1988), a remake of Roger Corman's 1957 film of the same name, playing the leading role of Nadine Story.
 She followed with "Fast Food" (1989) and the John Waters' teen comedy, "Cry-Baby" (1990), where she appeared alongside Johnny Depp.
 The film received positive reviews and the part of Wanda Woodward remains Lords' most notable role.
 Around the same time, she also appeared in many television series, including "Wiseguy", "MacGyver", "Married... with Children", "" and "Tales from the Crypt".
Cry-Baby is a musical based on the 1990 John Waters film of the same name.
 The music is by David Javerbaum and Adam Schlesinger, and the book is by Mark O'Donnell and Thomas Meehan.
 O'Donnell and Meehan also adapted Waters' film "Hairspray" for the musical stage.
 The musical focuses on Baltimore teenager Allison Vernon-Williams, who is drawn across the tracks from her 1954 finishing-school background into a relationship with the orphaned Wade "Cry-Baby" Walker, the leader of a pack of rebel outcasts.
Scout Raskin (born April 26, 1982) is an American actress.
 She is perhaps best known for her role as Susie Q in the John Waters film "Cry-Baby".
 She works as an animation producer in Los Angeles.
 In 2017, she started Party Goats LA, which provides goats for film/tv, events, and goat yoga.
Amy Rose Locane-Bovenizer (born December 19, 1971) is an American television and film actress known for her role in John Waters' 1990 musical comedy "Cry-Baby".
 In 1992, Locane played the role of Sandy Harling in the first season of the prime time soap opera "Melrose Place".

Question: Who wrote the book of the musical Cry-Baby that is made by John Waters?
Answer: Thomas Meehan