There has been much buzz about the upcoming 20th anniversary of Radiohead’s OK Computer, with the mysterious “Fitter Happier”-themed and politically charged street art popping up across major metropolitan areas such as London, New York, Amsterdam, and more. While the band has not officially confirmed their participation in the street art campaign, the images also coincided with a more official announcement from the Radiohead camp. Stanley Donwood, the artist and writer behind Radiohead’s album and poster artwork since 1994, recently posted an work on Instagram post featuring the Radiohead logo front and center along with the caption “soon to be real,” thus implying to keep our eyes out for new announcement from the infamous British rock band. Such speculations were confirmed today when the band announced that it would issue an anniversary edition of their seminal album.The 20th anniversary issue of OK Computer is dubbed OKNOTOK, and will be released on June 23rd. In addition to the remastered tracks from the original album, the special edition will also include three previously unreleased tracks—“I Promise,” “Lift,” and “Man Of War”—and eight B-sides. Pre-sale for Radiohead’s OKNOTOK is currently under way here. In addition to more traditional formats such as digital download, CD, and vinyl, the group is also offering a boxed edition that includes “three heavyweight 180 gram black 12″ vinyl records,” a special hardcover book filled with unseen artwork and the full lyrics to the tracks on OKNOTOK, a notebook compiling selections Thom Yorke’s notes at the time, a small sketchbook with Donwood and Yorke’s visual plans for the album, and a cassette mix tape containing session archives and demoes from OK Computer. You can pre-order these goodies here, so that you can be the first to have your hands on them when they’re officially release on June 23rd.