The primary symbol, at least in appearance, will be The Book. It will act in an erratic and dispersed manner, giving it the ability to help in many different ways. The substitution feature will only help you a little because wilds are rare and trigger bonus features when they appear three times or more on the reels. You will be given the option to select between two types of features if you get three or more scatters in a row.
While we resolve the issue, check out these similar games you might enjoy.