- Knock, knock!, in order of appearance on our welcome mat, Saxton Freymann ... [and others]
- Zany knock knocks, by Ronny M. Cole ; illustrated by Rich Garramone
- Knock! Knock! Who was there?, by Brian Elling ; illustrated by Nancy Harrison and Andrew Tomson
- Knock! Knock! Where is there?, by Brian Elling ; illustrated by Andrew Thomson, David Groff, Kevin McVeigh, and Nancy Harrison
- Knock, knock who's there?, by Tad Hills
- Kids' silliest knock-knocks, by Jacqueline Horsfall ; illustrated by Buck Jones