Blue Diamond Book Free Play in Demo Mode by Spearhead Studios
Blue Diamond Book is a slot machine created by Spearhead Studios. Although it might not be among the most popular slots based on player searches, this doesn't mean it's not worth trying. Give it a spin to see if it suits your tastes, or explore other popular casino games. To play for free in demo mode, simply load the game and click the 'Spin' button. For more information on slot machines and their mechanics, check out our online slots guide.
