In chapters 4-6 of Harry Potter and the Philosopher's/Sorcerer's Stone, a mysterious Hogwarts letter changes Harry's life forever and we visit a wonderful place called Diagon Alley. Join us for the second week of Harry Potter Reading Magic for our latest theme: "Discovering the wizarding world".

Our journey is well underway!

This week, we are looking at chapters 4-6. Explore features on Diagon Alley, the Hogwarts Express, our love of Hagrid and more.

So! Learn how to play our chapter challenges if you haven't seen them before (one for every chapter, naturally) and even build your own Hogwarts house points jar so you can play games and challenges as you read along with us. The next three challenges are ready for you here.

Chapter Four: The Keeper of the Keys
Chapter Five: Diagon Alley
Chapter Six: The Journey from Platform Nine and Three Quarters

This week's audiobook extract (as read by Stephen Fry) takes us on the Hogwarts Express, where Harry meets Ron Weasley and Hermione Granger for the first time - and Ron tries out a rather unorthodox spell on his pet rat Scabbers...

Listen to our second audio clip here.

And, as you've probably guessed by now, that is certainly not all. Explore our collection page for week two to find new activities, puzzles, reading guides and print-outs from Harry Potter publishers Bloomsbury and Scholastic.

Ooh! And did you know that Bloomsbury recently created their own virtual Diagon Alley for you to explore? Enter here.

Once you've had a casual stroll down Diagon Alley, pop back here to try some craft videos (recreate Diagon Alley with our extremely cute craft guide on how to make your own shopfronts) handy articles if you're reading the book to someone younger who may have questions... and much much more.

Join us next week when we'll explore Chapters 7-9. And if you missed our first week - don't worry, there's always time to step back.