"The Seesaw"
Short Fiction 1941 7,400 words
Part of the
Isher Series
1 —     The Weapon Shops of Isher 1951
2 —     The Weapon Makers 1943
3 —     The Weapons of Isher, Part Two 1982

The Weapon Shops of Isher is a novel created from the three original Weapon Shop stories (see below for full list).

The Weapon Makers is a book-length sequel to the original stories.

Both books were later included in an omnibus volume.

Italian author and translator Roberta Rambelli wrote a lengthy sequel to the series in 1982, entitled Le armi di Isher, Parte seconda (The Weapons of Isher, Part Two).

Original Stories:
"The Seesaw" 1941
"The Weapon Shop" 1942
The Weapon Shops of Isher 1949
Versions

1941

original version

1951

adapted for fix-up novel
Included In
The Weapon Shops of Isher 1951
English
Astounding Science Fiction magazine
1941 July Street & Smith
pulp Vol 27, No 5 164 pages $0.20

cover art by
Hubert Rogers

First appearance

(no illustration images available)

2 illustrations by
Charles Schneeman

Cover image: Showcase Data: Walwyn
Beyond Time and Space anthology
edited by August Derleth 1950, etc.

This anthology was abridged in 1958. Van Vogt's story was included.

Data: ISFDB
Beyond Tomorrow anthology
edited by Damon Knight 1965, etc.

This anthology was later published under the title Beyond Tomorrow: Ten Science Fiction Adventures (2000).

Data: ISFDB
Trips in Time anthology
edited by Robert Silverberg 1977, etc.
Data: ISFDB
The Great Science Fiction Stories: Volume 3: 1941 anthology
edited by Isaac Asimov & Martin H. Greenberg 1980, etc.
Data: ISFDB
Isaac Asimov Presents the Golden Years of Science Fiction: Second Series omnibus
edited by Isaac Asimov & Martin H. Greenberg
1983 Bonanza / Crown
hardback 0-517-41367-1 723 pages price: ?

cover artist: unknown

An omnibus containing two of the anthologies in Asimov's Great SF Stories series, Volume 3 (covering 1941) and Volume 4 (covering 1942).

Cover image: ISFDB Data: ISFDB
Creations: The Quest for Origins in Story and Science anthology
edited by Isaac Asimov & Martin H. Greenberg & George Zebrowski
1983 October Crown
hardback 0-517-54861-5 351 pages $16.95

cover artist: unknown

Cover image: ISFDB Data: ISFDB
Beyond Tomorrow: Ten Science Fiction Adventures anthology
edited by Damon Knight
2000 January Harper Collins
hardback 0-06-023181-5 pagecount: ? $6.79

cover artist: unknown

This anthology was originally published as just Beyond Tomorrow (1965).

  Data: ISFDB