Characters
Wellington
Christopher's helper or therapist at school
Siobhan
5 red cars in a row
A Super good day
Why is Christopher writing a murder mystery novel?
Because someone killed Wellington the dog.
He is trying to solve the mystery of who killed Wellington
Christopher
Christopher's rat
Toby
4 Yellow cars in a row
A Black day and Christopher doesn't talk to anyone
Why does Father take away Christopher's book that he is writing about the murder mystery?
Because he told him not to write it, and he is worried that he will discover that he killed Wellington
Neighbor whose dog is killed
Mrs. Shears
Christopher's favorite detective
Sherlock Holmes
Letters in father's closet
Mother is alive and Christopher's father lied about it
Why did Christopher's mother leave?
She was lonely and connected with Mr. Shears. She felt like everyone would be better off without her because Mr. Boone was more patient with Christopher than her.
Christopher's dad - Mr. Boone
Neighbor who tries to help Christopher with his detective work
Mrs. Alexander
The zoo trip
Father's apology for throwing away Christopher's murder mystery book
Why was Christopher looking in his father's closet?
He was searching for his notebook but found the letter from his mother
Had an affair with Mr. Shears
Christopher's mom Mrs. Boone
Headmistress who tried to deny Christopher from taking his A level math exams
Mrs. Gascoyne
The broken mixers
In one of the letters, Christopher's mother revealed that he had a meltdown in a store during Christmas shopping and accidentally broke multiple mixers
Why did Mr. Boone kill Wellington?
Because he was a mess after Christopher's mother left them, and he got into a relationship with Mrs. Shears, but he felt like he liked Wellington better than him and Christopher.