Calling all Harry Potter fans! For a limited time you can preorder Harry Potter and the Cursed Child , Parts I & II and be guaranteed the LOWEST PRICE by Amazon. Right now it is listed at $17.99 (reg. $29.99!). If there is a lower price before the release date you will receive that price. Even better, you can also receive free shipping with a $49 order or FREE 2-day shipping with Amazon Prime.