1. Maslow, Abraham H.

Toward a Psychology of Being. An Insight Book Under the General Editorship of David C. McClelland.

New York / Cincinnati / a.o., D. Van Nostrand Company, 1968. 12 cm x 19 cm. XVI, 240 pages. Original illustrated softcover. Good+ condition with signs of external wear and tear. Pages discoloured. Foxing mostly to endpapers and covers. Several annotations in ink pen throughout.

2. May, Rollo.

The Art of Counseling. Human Horizons Series Revised Edition. A Condor Book.

London, Souvenir Press (E&A) Ltd., 1993. 13.5 cm x 21.5 cm. 191 pages. Original illustrated softcover. Very good condition with only minor signs of external wear. Previous owners initals in ink pen on endpaper.

3. Ouspensky, P.D.

The Psychology of Man’s Possible Evolution.

New York, Vintage Books, 1974. 11 cm x 18 cm. XIII, 128 pages. Original illustrated softcover. Very good condition with only minor signs of external wear. Minor discolouration to pages. Spine sunned. Rare.