Masters of the Vortex by E.E. “Doc” Smith

Title: Masters of the Vortex
Series: Lensman Universe
Number in Series: n/a
Author(s): E.E. “Doc” Smith
Cover Artist: Jack Gaughan
Language: English
Original Title: The Vortex Blaster
Original Publisher: Fantasy Press
Originally Published: 1960
Publisher: Pyramid Books
Published: November 1974
ISBN-10: 0515030007
ISBN-13: 9780515030006
Catalog Number: V3000

Gray Lensman by E.E. “Doc” Smith

Title: Gray Lensman
Series: Lensman, Lensman Universe
Number in Series: 4 (four), n/a
Author(s): E.E. “Doc” Smith
Cover Artist: Jack Gaughan
Language: English
Original Publisher: Fantasy Press
Originally Published: 1951
Publisher: Pyramid Books
Published: September 1974
ISBN-10: 0515031208
ISBN-13: 9780515031201
Catalog Number: V3120

Galactic Patrol by E.E. “Doc” Smith

Title: Galactic Patrol
Series: Lensman, Lensman Universe
Number in Series: 3 (three), n/a
Author(s): E.E. “Doc” Smith
Cover Artist: Jack Gaughan
Language: English
Original Publisher: Fantasy Press
Originally Published: 1950
Publisher: Pyramid Books
Published: September 1967
ISBN-10: none
ISBN-13: none
Catalog Number: X-1457