We Will Soon Land on the Moon - Newspaper Tree El Paso - 0 views
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Jeff Johnson on 07 Dec 08Textbook companies over the years have tried to address this problem by providing additional add-ons and perks with their textbooks, such as CDs or DVDs with information that had been added since the book was published, websites that kept the content current by providing "up-to-date" information about a topic, or by trying to get states to adopt a quicker refresh cycle. None of these tactics have been successful.