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. Slots ; Software. Play Book Of Baba Yaga – WinterSpell by Spinomenal ; Type. Slots ; Software. Free spins ; Lines count. 5 ; Features. Spinomenal ; Reels. Free spins ; Lines count. 5 ; Features. 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. 5. Spinomenal ; Reels. 5. . Play Book Of Baba Yaga – WinterSpell by Spinomenal ; Type.