This book features the periodic table element number 66, Dysprosium. It is presented by Dypsie, a member of the Metal Horn Unicorn Tribe. Each member of the tribe has a magical element tipped horn and hooves. They also have magical powers based on the properties of their elements. Dypsie is just one of the 118 elementals who will present all of the Magical Elements of the Periodic Table to readers who are curious about the wonders of the world.