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