which writer has the highest number of completed work Anne Perry or Judy Blume?
Judy Blume 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."
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.