JK Rowling
JK Rowling Reuters

Children around the world sobbed when they turned to the last few pages of J.K. Rowling's seventh "Harry Potter" book.

There would be no more suspense... no more magic... no more muggles or Hogwarts... and an end to a saga that spanned 10 years.

So impactful has Rowling's series of fantasy books been that fans are even now tweeting... endlessly... about their gratitude for some unforgetful childhood memories.

The trend "Thank You JK Rowling" has been insanely popular on social networking Web site Twitter for some time now.

Check out some of the more heart-warming tweets...

"Thank You J.K Rowling for my magical childhood. For a home. For this boy that changed my life... " The Hogwartians tweeted.

Harrypotterings said "1,090,739 words. 3363 pages. 199 chapters 17 hours & 13 minutes. 8 movies. 7 books. 1 legend. Thank you J.K Rowling."

"Thank you J K Rowling for the wonderful Harry Potter series. For a very magical childhood. For an adventure of lifetime." A tweet from Butterfly..

A Harry Potter fan Web site too has come up with an activity to thank their favourite author.

More than 400 million copies of the Harry Potter books have been sold so far and it is the best-selling book series in history. Even the movies based on the series have been worldwide hits.