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Get even more Big Bang for your buck! Buy both the posterbook and the wallbook, and save on the 14-billion-year story of the universe, its life, and people on six- and 10-foot fold-out timelines. Plus! Read all about it in The Wallbook Chronicle, packed with related stories, letters-to-the-editor, and a 50-question quiz.
Wallbook: ©2017. 6 feet x 12 inches. Includes pocket magnifier and an 18-page newspaper-style text. Posterbook: ©2016. 10 feet x 20 inches. Laminated.