"There's a new principal at Ella Mentry School. Yes, it's true! Mr. Klutz is retiring and the president of the Board of Education, Dr. Carbles (Boo! Hiss!), has hired the best person for the job -- or at least the funniest. But stand-up comedian Mrs. Stoker will have to face Vice Principal Mrs. Jafee in a big joke-off duel to defend her new job. Will Mrs. Stoker have the last laugh? Or will shoe lose her audience when things get serious?"-- Front...

When Interrupting Cow tries to help Old Dog learn a new trick, they both end up learning something new.

As Zoom Squirrel and his friends try to identify the Mystery Reader, they learn about books, how they are written, and how to read--while sharing a-corny jokes.

"The last thing you expect when you go to the library is to see your librarian replaced with an alpaca. BEWARE! Alpacas make terrible librarians! With a zany cast of characters this hilarious and informative story will leave readers with a good understanding of alpacas and a renewed appreciation for the librarians in their lives."

When robots Blippo and Beep share knock-knock jokes, Beep realizes Blippo does not understand how they work, and begins to run out of patience.

Interrupting Cow introduces a lonely wolf to her friends, and they all share her famous knock-knock joke.