Oldest author to have first book published (female)

Oldest author to have first book published (female)
من
Bertha Wood
ماذا
100 year(s), day(s)
أين
المملكة المتحدة ()
متى
Bertha Wood (UK; b. 20 June 1905) had her first book, Fresh Air and Fun: The Story of a Blackpool Holiday Camp published on her 100th birthday on 20 June 2005. The book is based on her memoirs, which she began writing at the age of 90.