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Incoming Resources
- The best ever knock-knock jokes for kids, Bob Phillips
- Knock-knock jokes, by Michael Dahl & Donald Lemke
- Best knock-knock book ever, Charles Keller ; illustrated by Jeff Sinclair
- DC super heroes, world's greatest jokes, by Michael Dahl & Donald Lemke
- Spider-Man presents the Marvel joke book
- Open up and laugh!, a book of knock-knock jokes, Michael Dahl ; illustrated by Brian Jensen ; reading advisers, Adria F. Klein, Susan Kesselring
- Knock knock jokes, by Ima Laffin
- DC super friends joke book, by George Carmona III ; cover and additional illustrations by Erik Doescher
- Laugh-out-loud holiday jokes for kids, 2-in-1 collection of spooky jokes and Christmas jokes, Rob Elliott
- Olive you!, and other Valentine knock-knock jokes you'll a-door, by Katy Hall & Lisa Eisenberg ; pictures by Stephen Carpenter
- Knock-knock! who's there?, a load of laughs and jokes for kids, written and drawn by Craig Yoe
- World's best (and worst) knock-knock jokes, [edited] by Georgia Beth
- Halloween howlers, frightfully funny knock-knock jokes, by Michael Teitelbaum ; pictures by Jannie Ho
- Doctor Knock-Knock's official knock-knock dictionary, by Joseph Rosenbloom ; illustrated by Joyce Behr