5. Spinomenal ; Reels. Book of Baba Yaga: Winter Spell is a 5-reel, 5-line online slot game with bonus spins, instant play, autoplay, video slots, wild symbol, scatter symbol. Play Book Of Baba Yaga – WinterSpell by Spinomenal ; Type. 5 ; Features. Slots ; Software. Slots ; Software. 5 ; Features. Play Book Of Baba Yaga – WinterSpell by Spinomenal ; Type. Book of Baba Yaga: Winter Spell is a 5-reel, 5-line online slot game with bonus spins, instant play, autoplay, video slots, wild symbol, scatter symbol. . Spinomenal ; Reels. 5. Free spins ; Lines count. Free spins ; Lines count.