New York, Simon and Schuster, 1963. First edition. Teen runaway Cress has a missing folk-singer boyfriend and a suitcase that he left behind with instructions that it not be opened. Private investigator Mac accompanies her on a tour of the campuses and coffee shops of the Chicago area in search of the young man, meanwhile a trio of thugs are very interested in the contents of the mysterious suitcase. Wear to extremities with boards faded. Pages browned. DJ shows wear to extremities, dampstaining, and an open tear to the rear panel. $15.00.