Suzy Kline

When Horrible Harry's pet cat, Googer, sneaks a ride and gets into the school building, third-graders Harry and Doug have to catch him before anyone else does, which means going into some forbidden places.

"The kids in Room 3B are asked to draw posters of things that they love, and one of them will get to share his or her poster on TV"-- Provided by publisher.

Harry and his detective classmates try to find clues relating to a mysterious locked closet in Room 3B.

Miss Mackle's third graders share December holiday traditions--Christmas, Hanukkah, Kwanzaa, Three Kings Day, and Korean New Year--with each other and with Harry's great grandfather, who has just moved to a nursing home.

Harry and Doug investigate when special bookmarks begin to disappear while their class is busy studying poetry and running their own post office.

Selected to join the school safety patrol squad, third-grader Mary quickly turns into a bully, and classmate Doug suspects she may be tampering with the book raffle.

Herbie meets a new teacher and makes a new friend on his first day of second grade.

Mary decides it's all right to cheat to make sure she wins a special lunch with her favorite teacher, but the results of her dishonesty end up surprising the whole second grade class.

Horrible Harry and friends start off third grade with a new room and a field trip to an old copper mine to study rocks.

Harry incorporates his fascination with earwigs into Miss Mackle's class project of acting out a fairy tale in front of the other third graders.