Principal Simpson #38
| Series | Simpsons Comics Presents Bart Simpson |
| Number | #38 |
| Publisher | Bongo Entertainment, Inc. |
| Date | 2007-10 |
| Type | Comic Book, Softcover |
| Language | English |
| Creator | Matt Groening |
| Editor | Bill Morrison |
| Copyright Holder | Bongo Entertainment, Inc. |
| Genre | Humor |
| Published in | Santa Monica, CA |
| Pages | 36 |
| UPC | 7 98342 02854 6 05911 |
| ISSN | 1532-6063 |
| Notes | Also: "Milhouse's Guide to Keeping it Cool" & "Ralph Learns a Lesson" |
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