Harry Potter and the Philosopher's/ Sorcerer's Stone by J.K. Rowling.
Can you believe it has been twenty years since a lonely eleven-year-old orphan living under the stairs at 4 Privet Drive received his acceptance letter to Hogwarts School of Witchcraft and Wizardry?
The book was published by Bloomsbury in the UK with the title, Harry Potter and the Philosopher's Stones. It was published in the US by Scholastic and re-named, Harry Potter and the Sorcerer's Stone. According to the Blooomsbury Harry Potter page, HP has sold over 450 million copies worldwide. According to an article in The Guardian, only 500 books were printed in the first-run. Those first editions are now worth over $30,000.