Dates
- Cover date
- July 1976
- On sale
- 1976
- Pages
- 36
Editions and covers (2)
Copies of #21 are not all the same book. Here is how to tell each one apart.
- 30¢ price variant30¢ cover
30¢
Printed cover price 30¢.
Barcode 0714860218507 · shared with another edition
Source ↗