How I get free books for my Kindle without buying them from Amazon

When you devour one or two books a week, reading is an addiction that can really add up — unless you score some Kindle books free. My daily need for my cortisol-relieving reading habit has migrated and adapted over the years from physical books, to a Kindle eReader, to the Kindle app on my iPad. But one thing that hasnt changed? I dont spend a big chunk of my budget on books.