The official commemorative guidebook of the World Exposition in Osaka went on sale on Wednesday ahead of the event's opening on April 13 on the artificial island of Yumeshima in Osaka Bay.The Japanese version of the 360-page book, priced at 3,080 yen ($21), is available at bookstores and online and will also be sold at the venue after the Expo opens.The English version is scheduled to be released on March 27, according to the organizers.The guidebook not only introduces pavilions of participating nations, regions and organizations but also lists the "national day" and "special day" events t…READ FULL ARTICLE