1. Velikovsky, Immanuel.

Worlds in Collision.

Fifth Printing of the First Abacus Edition. London, Sphere Books, 1974. 13 x 19,5 cm. 384 pages. Original Softcover. Excellent condition with only minor signs of external wear. [Abacus]

2. Ducasse, C.J.

Paranormal Phenomena, Nature and Man.

Arthmore College, 1951. 8°. 20 pages. Softcover. The first John William Graham Lecture on psychic science. Offprint from “Journal of the American Society for Psychical Research”. Near fine.