From the back cover: "Twilight Tomb. The body floated in the depths of the river. Slowly it rose and fell with the shifting waters. The once beautiful eyes were wide and staring. The hair, once as red a copper, had turned a pale lifeless pink, sweeping out strand by strand in a large undulating fan. Trapped beneath the murky waters of the river, she waited..."
Used availability for Ruby Jean Jensen's Wait and See
June 1986 : USA Mass Market Paperback