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
when did the book, harry potter and the philosopher's stone publish
Harry Potter and the Philosopher's Stone was first published in the United Kingdom on 26 June 1997 by Bloomsbury.

Question: when was the book published in the united states
Self-contained rewrite: when was harry potter and the philosopher's stone published in the united states