which writer has the highest number of completed work Anne Perry or Judy Blume?
Anne Perry 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.
Beverly Cleary Beverly Atlee Cleary (née Bunn; born April 12, 1916) is an American writer of children's and young adult fiction. One of America's most successful living authors, 91 million copies of her books have been sold worldwide since her first book was published in 1950. Some of Cleary's best known characters are Henry Huggins and his dog Ribsy, Ramona Quimby and Beezus Quimby, and Ralph S. Mouse.