LEARN THE ELEMENTS IN A NEW, FUN WAY! What if instead of the letters "He" on a page, Helium was a high-pitched and high-spirited balloon hero? What instead of learning of Arsenic's deadly properties through a blurb in a text book, you learned it through his poisonous personality? Well now, you can! Periodically Heroic features a 118 unique illustrations of the elemets personified, each based on that element's most recognizable uses, discovery, or namesake, along with a matching description to explain the design! It's perfect for visual learners and science enthusiasts alike!