Lois Duncan’s Killing Mr. Griffin is a pretty predictable teen drama about a group of high school seniors (and one junior) who plot to kidnap their strict English Lit teacher and “teach him a lesson.” Unbeknownst to them Mr. Griffin has a heart problem and their plan of making him THINK they are going to kill him actually DOES kill him. The rest of the novel deals with how far these kids are willing to go to cover up the crime. They do some pretty stupid things that would lead even the most rookie of detectives (or mystery readers) to their door steps.
Why’s it on the Banned/Challenged list? Probably because of how easily the group is manipulated by the sociopath leader, Mark. They DO cause the death of an authority figure for no other reason than he, Mr. Griffin, is a tough teacher. There is also very mild offensive language and a cigarette or two might get smoked in the course of the novel.