11 books in series

Collector's Library of the Unknown

Collector's Library of the Unknown is a 11-book series with 11 primary works first released in 1882 with contributions by Ignatius L. Donnelly, Sylvan Muldoon, Upton Sinclair, Harry Price, John G. Fuller, Harry Houdini, and J. Allen Hynek.

Atlantis : the antediluvian world

Collector's Library of the Unknown

1882 • 2 Readers • 490 pages

Cover 0

Collector's Library of the Unknown

1929 • 1 Reader

The Interrupted Journey

Collector's Library of the Unknown

1966 • 1 Reader • 350 pages

Mental Radio

Collector's Library of the Unknown

1929 • 1 Reader • 208 pages

Cover 7

Collector's Library of the Unknown

1940 • 1 Reader • 255 pages

Atlantis: The Antediluvian World

Collector's Library of the Unknown

1882 • 2 Readers • 490 pages 5

Houdini: A Magician Among the Spirits

Collector's Library of the Unknown

1972 • 1 Reader • 294 pages 4

A Magician Among the Spirits

Collector's Library of the Unknown

2002 • 1 Reader • 352 pages

The Interrupted Journey: Two Lost Hours Aboard a UFO: The Abduction of Betty and Barney Hill

Collector's Library of the Unknown

1966 • 1 Reader • 465 pages 4

The UFO Experience: A Scientific Inquiry

Collector's Library of the Unknown

1972 • 1 Reader • 276 pages

Atlantis the Antediluvian World

Collector's Library of the Unknown

1882 • 1 Reader • 490 pages