12–16 December 2025 Propensity has always been available for free with KindleUnlimited. For the first time ever, Propensity will be free for all available markets between 12 and 16 December 2025. Limited-time offer. Not sure how this operates across time zones. Download it sooner than later so you don’t miss the opportunity. Propensity is also … Continue reading Propensity Kindle Promotion – Limited-Time Offer