Fans can continue their exploration into the world of Skylanders with this third title in the Book of Elements series: Life and Undead. These 80-page handbooks focus on all the elemental Skylander tribes and their unique and mystical characters.Fans can continue their exploration into the world of Skylanders with this third title in the Book of Elements series: Life and Undead. These 80-page handbooks focus on all the elemental Skylander tribes and their unique and mystical characters.