We've made 'Harry Potter and the Philosopher's Stone' and I thought that was so important.

CNN: Critics declare 'Harry' just wizard

Since the first book, Harry Potter and the Philosopher's Stone, was published, the series has taken the world by storm.

BBC: Rowling 'makes ?5 every second'

It has been 10 years since the first movie in the series, Harry Potter and the Philosopher's Stone, was released.

BBC: Harry Potter film takes $168m to break ticket records

His hardback copy of JK Rowling's Harry Potter and The Philosopher's Stone was one of only 500 published by Bloomsbury in 1997.

BBC: Toby Rundle and Harry Potter book

The first book in the Potter series -- "Harry Potter and the Philosopher's Stone" (retitled "Harry Potter and the Sorcerer's Stone" in the United States) -- was an overnight bestseller.

CNN: British child actor 'a splendid Harry Potter'

The Proms programme also includes a concert featuring scores from celebrated British films including The Dam Busters, Shakespeare In Love, Bridge Over The River Kwai and Harry Potter and the Philosopher's Stone.

BBC: Last Night at the Proms

They were series opener Harry Potter and the Philosopher's Stone in 2001, fourth instalment Harry Potter and the Goblet of Fire in 2005 and the fifth entry, Harry Potter and the Order of the Phoenix, in 2007.

BBC: Harry Potter film breaks UK box office records

K. Rowling's eagerly anticipated Pottermore website (www.pottermore.com) is a specially-created limited edition of Reader Wi-Fi (PRS-T1) which includes a voucher that enables Harry Potter fans to download the first Harry Potter eBook title, Harry Potter and the Philosopher's Stone, from Pottermore.

ENGADGET: Sony's new Reader Wi-Fi is the world's lightest 6-inch e-reader with multitouch screen (update: powered by Android)

This Chamber of Secrets is sure to appeal to Potter fans of all ages as it is a more entertaining release than the Philosopher's Stone and provides something to occupy their minds while they wait for the publication of the next Harry Potter book, the Order of the Phoenix, in June.

BBC: Dobby the house-elf