Slots ; Software. 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. . 5. Free spins ; Lines count. Free spins ; Lines count. 5 ; Features. Spinomenal ; Reels. 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.