Embark on a high-stakes desert adventure in Book of Oil, a classic 'Book of' style slot set against a sun-scorched landscape. This 5x3, 10-payline game challenges players to uncover hidden oil reserves, represented by the versatile Book symbol acting as both Wild and Scatter. Landing three or more Book symbols triggers 10 Free Spins with a special expanding symbol, promising explosive wins. The Bonus Pop feature provides instant access to the bonus round for those eager for direct action.