Desperately Seeking Trance Plants: Testing the "Three Stages of Trance" Model P. A. Helvenston & P. G. Bahn
2002. 57 pages. White pictorial paperback. Inscription to front endpaper. Pages are clean and bright, and appear almost good as new. With minimal tanning throughout. Binding has remained firm. Paper cover is lightly rub worn and thumbed with light shelf wear to edges and corners. Light creases to corners and spine.