Hi. Book of Oz bookofslotslist.com/book-of-oz-microgaming-slot-review/ is a video slot developed by Microgaming in collaboration with Triple Edge Studios. This game is inspired by the famous fairy tale “The Wizard of Oz” and offers players to immerse themselves in a magical world with exciting visual and sound effects. The slot has 5 reels and 10 fixed paylines. The free spins feature is activated when three or more book symbols fall out. Players can get up to 25 free spins depending on the number of scatters that fall out.