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."
Anne Sebba Anne Sebba is an award-winning British biographer, writer, lecturer and journalist. She is the author of nine non-fiction books for adults, two biographies for children and several introductions to reprinted classics.