RADEBEUL, GERMANY – FEBRUARY 22: Early editions of 19th-century German writer Karl May’s Wild West and Orient series stand in his original library in the Karl May Museum, May’s former residence, on February 22, 2017 in Radebeul, Germany. May’s Wild West series, with its protaganists of Old Shatterhand and Winnetou, is an indelible facet of central European childhood literature and has sold millions of copies worldwide. May was born on February 25, 1842 and his 175th birthday occurs this coming Saturday. (Photo by Sean Gallup/Getty Images)