After Susan sees Mr. Smith the substitute teacher peel off his face, she knows he's an alien and only Peter believes her. Together they work to save the class from Mr. Smith's horrible plans.

A.J. and his friends think that Ms. Todd is the strangest substitute teacher in the world, and they decide to investigate her.

Grown-up, former child detective Lottie Illes is back at her old middle school as a substitute teacher where she is asked to solve a mystery.

Cam's photographic memory helps a scatterbrained substitute teacher, especially when he discovers that he has misplaced his coat.

When Milton Worthy learns his classroom's pet ferret is the evil mastermind behind a dastardly plot for world domination, it's more than just about any kid could handle. But then not every kid is the son of a member of the super-secret, super-awesome Society of Substitutes! Now it's up to Milton and his substitute teacher mom to save Beacher Elementary School before time runs out.

In 2014, after a brief orientation course and a few fingerprinting sessions, Nicholson Baker became an on-call substitute teacher in a Maine public school district. Nearly every morning, he awoke to the dispatcher's five-forty a.m. phone call and headed to a nearby school. When he got there, he did his best to follow lesson plans and help his students get something done. In Baker's hands, the inner life of the classroom is examined anew -- mundane...

When the origami pig that Song Lee made for her grandmother is seized by a substitute teacher, the usually well-behaved third-grader breaks a classroom rule to rescue it from the "June box."

Sam, Lucy, and Antonio have a new substitute teacher, who happens to be the great-great-grandson of Orson Eerie, the evil scientist whose spirit possesses and infects their elementary school--and the friends are afraid he may be trying to bring Orson back to life.

As the Huit octuplets prepare for a St. Patrick's Day parade, Georgia discovers her powers and uncovers the substitute teacher's secret.

In a series of letters a student laments the absence of her teacher and daily routine, but she soon realizes there are benefits to mixing things up, and that perhaps having a substitue teacher is not so bad after all.