Clarkesworld Issue 020
| Book | A Buyer's Guide to Maps of Antartica |
| Editor | Sean Wallace |
| Publisher | Neil Clarke |
| Cover Artist | Cuson |
| Contributing Writer | Catherynne M. Valente, Garth Upshaw |
| Editor in Chief | Neil Clarke |
| Periodical Title | Clarkesworld |
| Interview with/Interviewee | John Picacio |
| Copyright Holder | Wyrm Publishing |
| Interview by/Interviewer | Jeff VanderMeer |
| Format | e-Zine |
| Language | English |
| Location | US |
| Cover Date | 2008-05 |
| Issue Number | 20 |
Added by Supernaut1970