It's the start of August, which means your Prime membership has unlocked a fresh batch of free reads. Amazon's First Reads program gives Prime members one free Kindle book and a bonus short read every single month. Dreams of Earth and Sky by Shirley Perez West: A sweeping historical fiction pick rich in period detail. The Spider Silk Scarf by Ana Reyes: A neat little bonus short story that serves as a quick, atmospheric bite. Browse the lineup and select your main Kindle book and bonus short read by clicking "Buy for $0.00".