THE REBEL PRINCE (347 pp.) Prince Louis Ferdinand of Prussia Regnery ($3.95).
"Strip your Louis Quatorze of his king-gear," rumbled Thomas Carlyle one day, "and there is left nothing but a poor, forked radish with a head fantastically carved." The last German who ever wore king-gear, Kaiser Wilhelm II, took his Carlylean comeuppance in 1918. His heirs, as a result, have faced the necessity of sinking their roots in the radish patch of common humanity. In The Rebel Prince, his grandson, Prince Louis Ferdinand Victor Edward Albert Michael Hubert Hohenzollern ("Lulu"...