To celebrate the release of Darkness, (available 1/20 for $2.99 or free to read on KU) I have Arson for free 1/19-1/21 and Thirst on sale for 99 cents for 48 hours. (Countdown deal so watch the clock) those same days.
Darkness drops tomorrow! Preorder at $2.99. You can click on the picture below to be taken to the Amazon series page.