- Pencils
- Al Wiseman
- Inks
- Al Wiseman
- Colors
- ?
- Genre
- humor; children
- Characters
- George Wilson; Dennis Mitchell
Mr. Wilson peeks out his front door while Dennis climbs in a window behind him.
"Reprinted by popular demand."
- Script
- Fred Toole
- Pencils
- Owen Fitzgerald
- Inks
- Owen Fitzgerald
- Colors
- ?
- Letters
- ?
- First Line of Dialogue or Text
- Hm! Hi, Dennis...is your Dad in?
- Genre
- humor; children
- Characters
- George Wilson; Dennis Mitchell; Henry Mitchell; Alice Mitchell; Ruff; Tommy Anderson
- Synopsis
- George and Henry build a retaining wall along their property line.
- Reprints
Title is drawn as "Having a Ball" with the B overwritten by a W.