File X (8)

By: Joshua Glenn
August 14, 2010

The X Factor (1965), by Andre Norton.

The first book in Norton’s Game of Stars and Comets series. The edition shown here is the first paperback edition. Bonus: below are a couple of others.

1968 edition

1981 edition


Eighth in a series of ten posts showcasing my collection of midcentury paperback books the titles of which include a free-standing letter “X.”


Pulp, Sci-Fi, Spectacles