A.J. and his friends are afraid that Ms. Todd, their substitute teacher, has killed their regular teacher and is trying to take over her job.

The kids in Room 207 take advantage of their teacher's good nature until she disappears and they are faced with a vile substitute.

This collection features three stories: Miss Nelson is missing!, Miss Nelson is back, and Miss Nelson has a field day.

"When Miss Daisy returns to Ella Mentry School as a substitute teacher, the kids are in for a weird and wacky day of not learning about math, writing, the weather, and more"--

When a British student-teacher arrives, A.J. and his friends wonder if her all-black clothing and love of blood sausage mark her as a vampire, while Mr. Granite simply hopes her musician-boyfriend will stay away long enough for a math lesson.

Music class is awesome. The teacher, Mr. Hynde, raps, break-dances, and plays bongo drums on the principal's bald head. But he goes too far when he tries to make A.J. kiss Andrea in the school play. Yuck! Will A.J. survive?

"Math scores at Ella Mentry School are way down! But Mrs. Stoker is bringing in an expert named Ms. Greene to help A.J. and his friends study. Ms. Greene is nice, but she sees numbers everywhere--skateboarding, football, even in height! Between solving weird word problems, being mathletes, and sitting on their denominators, how much more math can the class take?"--Adapted from dust jacket.

"Fourth period is hands down the best time of day in Connor U. Eubanks Middle School, because that's when Mr. Lewis teaches Jazz Lab. So his students are devastated when their beloved teacher quits abruptly. Once they make a connection between budget cuts and Mr. Lewis's disappearance, they hatch a plan: stop the cuts, save their class. Soon, they become an unlikely band of crusaders, and their quest quickly snowballs into something much bigger--a...

When he decides to turn his fifth grade teacher's love of the dictionary around on her, clever Nick Allen invents a new word and begins a chain of events that quickly moves beyond his control. Nicholas Allen has plenty of ideas. Who can forget the time he turned his third-grade classroom into a tropical island, or the times he fooled his teacher by chirping like a blackbird? But now Nick's in fifth grade, and it looks like his days as a troublemaker...

A story about a teacher's pet boa constrictor who aids her in the classroom by shaping his body into letters, numbers, etc. and really shows his versatility when a burglar breaks into her apartment and Crictor saves the day.