In the non-magical human world of the "Muggles", Harry is a nobody, treated like dirt by the aunt and uncle who begrudgingly inherited him when his parents were killed by the evil Voldemort.
But in the world of wizards, small, skinny Harry is renowned as a survivor of the wizard who tried to kill him.
He is left only with a lightning-bolt scar on his forehead, curiously refined sensibilities and a host of mysterious powers to remind him that he's quite, yes, altogether different from his aunt, uncle, and spoilt, pig-like cousin Dudley.
Since publication of Harry Potter and the Philosopher's Stone in 1997, the Harry Potter novels have sold 350 million copies worldwide and have been translated into 64 languages.
J.K. Rowling has generated huge popular appeal for her books across the generations in an unprecedented fashion: she was the first children's author to be voted the BA Author of the Year, and also to win the British Book Awards Author of the Year.
22,000 people agreed to clean toilets for WiFi because they did not read the terms.
Tools designed to ensure computer code in smart cars does not crash has been inspired by hungry penguins.
The rounded sleeping capsules send guests drifting into ocean before arriving on desert island by morning.
Sitting on the saddle activates the part of the brain responsible for learning, a study has claimed.
Scientists are appealing for more people to donate their brains for research after they die.
Life on Earth may have arrived from Mars on an asteroid, scientists have claimed.
Lunar mission scheduled at the end of 2017 could find out if beer can be brewed on the moon.
A bottle used to teach children how far litter can travel ended up on Scottish beach after 8,700-mile journey.