Disney Twenty Three D23 Summer 2015 - Celebrating 60 Magical Years of Disneyland New, unread. Only opened to slip out the original subscriber's renewal offer letter (as it contained personal infomation). SEE photo circle in red with sticker residue on the back. From the editors: Disney twenty-three celebrates 60 magical years of Disneyland and previews the Resort’s year-long Diamond Celebration. Plus, Leonard Maltin offers a look at Disney’s stellar lineup of summer movies.