Then Again, Maybe I Won't is a young adult novel written by Judy Blume.
 Intended for pre-teens and teenagers, the novel deals with puberty from a 1970's male perspective as well as the other trials of growing up.
 Judy Blume claimed that she was inspired to write the story following the success of her preceding novel "Are You There God?
 It's Me, Margaret.
" Given her earlier novel was about a girl entering puberty making the transition to womanhood, she decided to write one about a boy going through puberty and making a transition to manhood.
Starring Sally J. Freedman as Herself is a 1977 young adult novel by Judy Blume.
 The story is set in 1947 and follows the imaginative 10-year-old Sally, who likes to make up stories in her head, when her family moves from New Jersey to Miami Beach.
 While not as controversial as some of her other novels, Blume does manage to address the following themes of late 1940s life in America: racism, anti-Semitism and sibling rivalry.
 This novel is her most autobiographical, with many parallels between Blume's own life and that of Sally.
 Blume has said, "Sally is the kind of kid I was at ten."
Peter Warren Hatcher is a fictional character created by American author Judy Blume.
 He first appeared in the children's novel "Tales of a Fourth Grade Nothing" and in several subsequent Blume stories, most of which focus on his younger brother Fudge.
 In the television series "Fudge", he is played by Jake Richardson.
Fudge is an American children's television series based on a series of Judy Blume books about a young boy nicknamed Fudge.
 The series ran for two seasons (1995–1997), with 24 episodes following a telefilm adaptation of Blume's novel "Fudge-a-Mania", which aired on January 7, 1995 in primetime.
 "Fudge" premiered on ABC in January 1995, and switched to CBS for its second season. "
TV Guide" twice listed "Fudge" as one of the Ten Best Shows for Children.
 The show was canceled in 1997.
 At the Seventeenth Annual Youth in Film Awards, the cast was nominated for a Young Actors Award, Best Performance by a Young Ensemble: Television.
 Nassira Nicola, who played Sheila Tubman, won for Best Performance by a Young Actress: TV Comedy Series.
In The Unlikely Event is a 2015 novel by Judy Blume.
 It follows fifteen year old Miri Ammerman and her family and friends as they cope with three plane crashes from December 1951 to February 1952 in their home of Elizabeth, New Jersey.
 This was Blume's first adult book in 17 years and one of only four adult books she has written in her career.
Judy Blume (born Judith Sussman; February 12, 1938) is an American writer known for children's and young adult (YA) fiction.
 Some of her best known works are "Are You There God?
 It's Me, Margaret" (1970), "Tales of a Fourth Grade Nothing" (1972), "Deenie" (1973), and "Blubber" (1974).
 "The New Yorker" has called her books "talismans that, for a significant segment of the American female population, marked the passage from childhood to adolescence."
The Judy Blume Diary is an activity book meant to be written in for approximately one year by aspiring writers.
 In 1981, Judy Blume created the book to finance her KIDS Fund, which promotes communication between children and their parents.
Anne Perry (born 28 October 1938 as Juliet Marion Hulme) is an English author of historical detective fiction, best known for her Thomas Pitt and William Monk series.
 At the age of fifteen she was convicted of participating in the murder of her friend's mother, in 1954.
 She changed her name after serving her five-year sentence.
Tiger Eyes is a young adult novel written by Judy Blume in 1981 about a 15-year-old girl attempting to cope with the unexpected death of her father.
 In 2012, the novel was adapted into a film of the same name, directed by Judy's son, Lawrence Blume and starring Willa Holland as Davey Wexler.
 Davey is often sad, depressed and defensive on everything.
 She has a short breakdown at her brother, Jason.
 Her mom becomes incapable of doing things about the house, making Davey more depressed.
The One in the Middle Is the Green Kangaroo is a children's book published in 1969, written by Judy Blume with illustrations by Amy Aitken.
 It was Blume's first published work.
 It is about second-grader Freddy Dissel, a middle child who feels emotionally squashed between his older brother, Mike, and his younger sister, Ellen.
 He doesn't seem to get much attention, until he lands a role in a school play as a green kangaroo.
It is a very popular book among children.

Question: which writer has the highest number of completed work Anne Perry or Judy Blume?
Answer: Judy Blume