Dates
- Cover date
- September 1988
- On sale
- May 19, 1988
- In stores
- May 19, 1988
- Pages
- 36
Values
Looking up values…
Editions and covers (4)
Copies of #21 are not all the same book. Here is how to tell each one apart.
- Direct edition75¢ cover
Direct
No UPC barcode in the corner box: direct editions show artwork, a logo or a blank box there.
Source ↗ - Newsstand edition75¢ cover
Newsstand
A UPC barcode in the cover's corner box.
Barcode 0709893067509 · shared with another edition
This edition’s page - Canadian price edition1.00 CAD cover
Canadian
Printed cover price 1.00 CAD.
Barcode 0709893067509 · shared with another edition
This edition’s page - 3rd printing
Third Printing
Marked as a later printing on the cover or in the indicia.
This edition’s page
Story arc: Supergirl Saga
This is part 1 of 2. Reading order by cover month and on-sale date; arc records can be incomplete.
- Superman #21
- Adventures of Superman #444
Creators
Stories
- You Can't Go Home Again · 22 pages
Supergirl introduces herself to Superman, and then they are transported to the Pocket Universe.
Publisher’s description
Who is this new Supergirl? Where did she come from? What is the secret of her powers? And what does Lex Luthor have to do with all this? Continued in ADVENTURES OF SUPERMAN #444.
Characters
Reprinted in
Superman: The Man of Steel (2003), Superman: The Man of Steel (2020)