critics, and read him. But pause at the threshold. To penetrate the meaning of his work, it is necessary to join in the act of exploration, as he did, tacking between texts and the world. Testing, testing. Here is where the gloriously laborious task of translating insight into understanding unfolds. “The academic coverage is only beginning for my stuff.” (Letters , (1987) p.505 [1974]) For several years now I have been excavating McLuhan’s formidable body of work, and retracing his sources. * The fundamental clue to navigating by the lights of McLuhan is to read him on his own