Deluxe is the second version of the original Book of Ra slot with an The bonus round benefits from the expanding symbol, which can cover. Review of Book of Ra Deluxe Slot by Novomatic, including real players' and the graphics, paytables and bonus rounds are all well designed and thought out. Book of Ra Deluxe - Great action slot machine straight from the casino to online. a great selection of reel wins plus a highly profitable free spins bonus round. Whenever I go to the local casino I can see at least 10 slot machines with these games on. The bonus is triggered when you get 3 or more Book of Ra symbols. What do you see in a book of weapons? Pretty young things in very short skirts, singing and dancing, right? Best 5 of a kind symbols pay bets, second best pay bets, and so on.