Book of Dead is a traditional and conservative slot machine that has served as a basis for many other slot machines. Check it out for yourself: There are five gaming reels and three rows of symbols. This mechanism is now found in the majority of current slots. And there's nothing shocking about it: it's really simple and flawless. The bonus game begins when 3-5 golden books fall out. It's the same as regular game, with the exception that the next ten rounds are absolutely free. As a result, the player can significantly raise his cash without taking any risks. If 3-5 golden books in the Book of Dead game appear on the reels again during the bonus game, 10 more free spins will be added to the total amount of free spins! By the way, if you have four books on the go at the same time, your earnings will grow by 20 times, and if you have five, your earnings will increase by 200 times!