Bestselling

"The periodic table is the universal catalog of everything you can drop on your foot" --Theodore Gray You have the amazing opportunity to hear from best-selling author Theodore Gray at this year's USA Science and Engineering Festival Book Fair! Gray will be speaking at the Teen Non-Fiction Festival Stage at 11:50 am on Saturday, April 28th. His newest book is Theodore Gray's Elements Vault: Treasures of the Periodic Table with Removable Archival Documents and Real Element Samples - Including Pure Gold! Gray's other books, The Elements and Mad Science, are international bestsellers, as is…