Dirk Gently's Holistic Detective Agency

'''Adams, Douglas. Dirk Gently's Holistic Detective Agency'''. 1987. New York: Simon and Schuster, n.d. [S. F.] Book Club Edition (no ISBN but no other indication of Book Club status).

See for what we will call a minimalist, quantum-metaphysical time machine, centering on an abacus (see 200-201). There is also an important telephone answering machine and an Electric Monk.