World's Best Science Fiction
| First published | 1971 |
|---|---|
| Series | World's Best SF |
| Publisher | Ace Books |
| Format | Paperback |
| Type | Omnibus |
| Catalog ID | 98970 |
| Cover art | Jack Gaughan |
| Pages | 288+285+287+319+380+349 |
| Price | $5.70 |
• Boxed set containing First through Fourth Series and 1969/1970, all first printings
• The box has pieces of the covers from the six individual volumes, all by Jack Gaughan
• The box has its' own number and price
• Most likely date is 1971 as the Fourth Series was published late 1970
No ISBN on record — searching by title and author.