The Photographic Engagement Calendar of The Elements: A Visual Exploration of Every Known Atom in the Universe 2012

A gorgeous week-by-week photographic tour of the most visually fascinating elements, featuring 106 full-color photographs of elements from every group in the periodic table. Weekly grids include important dates in chemical history, as well as all major North American, UK, Australian, and New Zealand holidays. Includes Theodore Gray"s Photographic Periodic Table Poster