A collection of jokes about doctors and patients, including "Patient: 'Doctor, Doctor, my sister thinks she's an elevator.' Doctor: "'Send her right up.'"
A collection of jokes and riddles about teachers, including "Why did the student eat her spelling test? Because the teacher said it was a piece of cake."
A collection of jokes and riddles about fires and firefighters, including "Why did the firefighter bring his ladder to the library? He heard the library had a lot of stories."