This massive giveaway runs until May 16. By Joseph Green on May 13, 2026. All featured products are independently chosen by our editors. Purchases made through our links may earn Mashable an affiliate commission.
Stuff Your Kindle Day is live on May 13-16. Into the Darkness, hosted by the Indie Author Collective, is offering free dark romance and mafia romance books for your Kindle or Kobo.
Another Stuff Your Kindle Day is live this week, offering free dark romance and mafia romance books. Into the Darkness allows downloading books for free, and they’re yours to keep forever.
When is Stuff Your Kindle Day? Into the Darkness is live on May 13-16. You have four days to stock up on books.
Which books are free? Into the Darkness offers dark romance and mafia romance books for Kindle and Kobo users.
Is Stuff Your Kindle Day the same as Amazon Kindle Unlimited? Downloads are yours to keep and don’t count towards Kindle Unlimited’s 20-book limit.
The best Stuff Your Kindle Day deal
Why we like it: These popular e-readers let you carry your library everywhere. They offer weeks of battery life and an anti-glare display. Plus, get three months of Kindle Unlimited for free with your purchase, available for a limited time.