Product Description: In the decades around 1900, postcards were Twitter, e-mail, Flickr and Facebook all wrapped into one. A postcard craze swept the globe, wreaking havoc on international postal systems and giving rise to anecdotes about overburdened postmen who had to leave bags of cards undelivered...read more

Product Description: This is a pre-1923 historical reproduction that was curated for quality. Quality assurance was conducted on each of these books in an attempt to remove books with imperfections introduced by the digitization process. Though we have made best efforts - the books may have occasional errors that do not impede the reading experience...read more

Product Description: Nearly every empire worthy of the name--from ancient Rome to the United States--has sought an Egyptian obelisk to place in the center of a ceremonial space. Obelisks--giant standing stones, invented in Ancient Egypt as sacred objects--serve no practical purpose...read more

Product Description: This book presents the expanded notes from ten lectures given by the author at the NSF/CBMS conference held at California State University (Bakersfield). The author describes what he calls single orbit dynamics, which is an approach to the analysis of dynamical systems via the study of single orbits, rather than the study of a system as a whole...read more