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Publication Order of Lensman Books
Galatic Patrol | (1937) | Hardcover  Paperback  Kindle |
Children of the Lens | (1947) | Hardcover  Paperback  Kindle |
Triplanetary | (1948) | Hardcover  Paperback  Kindle |
First Lensman | (1950) | Hardcover  Paperback  Kindle |
Gray Lensman | (1951) | Hardcover  Paperback  Kindle |
Second Stage Lensman | (1953) | Hardcover  Paperback  Kindle |
Masters of the Vortex | (1960) | Hardcover  Paperback  Kindle |