Note, Halo 5: Guardians releases October 27, 2015.
Editor's Notes & Price Research
If you don't have Prime, there's free 30-day trial with free 2-day shipping, video streaming & more available.
Go to checkout to see the $10 discount.
$3 cheaper than previous prime special post (http://slickdeals.net/f/8008033-pre-order-halo-5-guardians-x1-52-99-via-amazon-prime-only?v=1)