Radio Spirits Inc. has narrated 4 audiobooks on Listento.it by 4 authors. The most-rated is X Minus One.

A shipwrecked crew finds evidence of a long-dead space-traveling civilization. Based on a story by Murray Leinster, this episode of Dimension X originally aired on May 20, 1950. Featuring "adventures in time and space told in future tense", Dimension X aired over NBC from Apr. 8, 1950, through Sept. 29, 1951. The series adapted stories by the modern masters of science fiction, including Isaac Asimov, Ray Bradbury, Robert Heinlein, Clifford Simak, Theodore Sturgeon, and many others.
©2006 Radio Spirits Inc. (P)2006 Radio Spirits Inc.

Why are so many old people dying of starvation - yet their pockets are stuffed with money? Based on a story by H.L. Gold, this episode of X Minus One originally aired on July 17, 1956. X Minus One premiered in April 1955 on NBC and ran until January 1958. Like its predecessor series, Dimension X, X Minus One featured stories by the greatest names in modern science fiction: Ray Bradbury, Isaac Asimov, Robert Heinlein, Clifford Simak, Robert Bloch, and many more.
©2006 Radio Spirits Inc. (P)2006 Radio Spirits Inc.

It's June 15, and Guy Burkhart wakes up screaming. It's not the first time he's woken up screaming. Nor is it the first June 15. Based on a story by Frederik Pohl, this episode of X Minus One originally aired on March 14, 1956. X Minus One premiered in April 1955 on NBC and ran until January 1958. Like its predecessor series, Dimension X, X Minus One featured stories by the greatest names in modern science fiction: Ray Bradbury, Isaac Asimov, Robert Heinlein, Clifford Simak, Robert Bloch, and many more.
©2006 Radio Spirits Inc. (P)2006 Radio Spirits Inc.

Chapman is completing his tour of duty at a Moon base. But he's asked to put off his return to Earth. Based on a story by Frank M. Robinson, this episode of X Minus One originally aired on December 19, 1956. X Minus One premiered in April 1955 on NBC and ran until January 1958. Like its predecessor series, Dimension X, X Minus One featured stories by the greatest names in modern science fiction: Ray Bradbury, Robert Heinlein, Clifford Simak, Robert Bloch, and many more.
©2006 Radio Spirits Inc. (P)2006 Radio Spirits Inc.