Get Kindle Unlimited free for 3 months with this early Prime Day deal

Why you can trust ZDNET: ZDNET independently tests and researches products to bring you our best recommendations and advice. When you buy through our links, we may earn a commission. Amazon's free Kindle Unlimited deal only comes around a couple times a year - and I highly recommend it. Alison DeNisco Rayome is the Managing Editor of ZDNET Commerce. Amazon's Kindle Unlimited deal is finally back ahead of the October Prime Day sale: Right now, you can sign up to get Kindle Unlimited totally free for your first three months -- down from the usual price of $11.99 a month.