Knock knock! : the best knock knock jokes ever! /
[illustrated by Tim Archibold].
- 1st American ed.
- Boston : Kingfisher, 2004.
- 1 v. (unpaged) : ill. ; 20 cm.
- Sidesplitters. .
- Sidesplitters. .
"First published in 1995 as Who's There?"--Prelim. p.