originalet millions of copies Harry Potter by the Numbers $15 billion 450 million copies sold 450 million Harry Potter books in print «Because It's His Birthday: Harry Potter, By the Numbers» Because It's His Birthday: Harry Potter, By the Numbers sold 450 million Harry Potter books in print o orixinal Harry Potter books in print View original post «Because It's His Birthday: Harry Potter, By the Numbers» the original the original sold 450 million Harry Potter books in print originalet estimated at $15 billion 73 different languages and sold over 450m copies worldwide originalet «Because It's His Birthday: Harry Potter, By the Numbers» the original Time Harry Potter the original 450 million copies in circulation as of July 2013 originalen nearly 450 million books originalen «Because It's His Birthday: Harry Potter, By the Numbers» Harry Potter books in print 450 million 73 different languages and sold over 450m copies worldwide Because It’s His Birthday: Harry Potter, By the Numbers the original Harry Potter books in print Harry Potter by the Numbers the original the original half a billion Harry Potter books $7.7 billion «Because It's His Birthday: Harry Potter, By the Numbers» Entertainment originalet