DEWDNEY, Christopher. The Secular Grail: Paradigms of Perception. Toronto: Somerville House, 1993. First Edition. Hardcover in jacket. 236x160mm. 190pp. Fine / Fine.

Illustrated in black and white throughout. With bound in bookmark ribbon. This is the followup "software application" to Dewdney's "hardware" text as explored in The Immaculate Perception. Neatly signed by the author on the title page.