Prime Big Deal Days isn't till October 8 and 9 — but many deals are already here. Check out the best book deals at Amazon already live before the sale even officially begins. Prime Day is here yet again — the bi-annual shopping event (this time known as Prime Big Deal Days) is coming up on October 8 and 9,

Amazon has held a second Prime Day of sorts in October and that sale event is coming back this year, too. Prime Big Deal Days returns on October 8 and 9, but we’re already starting to see some decent deals pop up across Amazon’s site.

Walmart's Holiday Deals event starts on the same day as Amazon's October Prime Day sale​ but lasts even longer.