Riddle of the Labyrinth by Margalit Fox. Title Riddle of the Labyrinth. Drawing on Kober’s own papers – only made available recently – Margalit Fox provides the final piece of the enigma, and along the way reveals how you decipher a language when you know neither its grammar nor its alphabet as well as the stories behind other ancient languages, like the dancing-man Rongorongo of Easter Island.