Thrasher, L.L. CAT'S PAW, INC.
Tulsa: A Brown Bag Mystery from Council Oak Books, (1991). 0933031416 / 9780933031418 First edition, first printing. Hardcover. Fine in green cloth with gilt spine stamping; in a fine illustrated dust jacket.
Oregon private eye Zachariah Smith is hired to locate a runaway teenager. The trail takes him to Portland, where his hot leads turn cold and his informants end up dead. Debut book in the series.