Conversation so far:
when did jk rowling write her first book
Harry Potter and the Philosopher's Stone, which was Rowling's debut novel, was written between approximately June 1990 and some time in 1995.
how long was harry potter and the philosophers stone worked on by jk rowling
J.K. Rowling spent six years working on Harry Potter and the Philosopher's Stone

Question: when did the book publish
Self-contained rewrite: when did the book, harry potter and the philosopher's stone publish