Dirk Gently's Holistic Detective Agency (Mass Market Paperbound)
Pocket Books, 9780671746728, 320pp.
Publication Date: June 1, 1991
There is a long tradition of Great Detectives, and Dirk Gently does not belong to it. But his search for a missing cat uncovers a ghost, a time traveler, AND the devastating secret of humankind! Detective Gently's bill for saving the human race from extinction: NO CHARGE.