About the book 'Dear Mr.henshaw'

This story is about a little boy named Leigh and his mom and dad are divorced. His dad lives in a condo and the mom lives in a mobile home. The boy needs an idea for a book report and he write letters to Mr.Henshaw for an idea. Mr.henshaw doesn't answer for the whole book. He used to call him Dear Mr.henshaw but since he never answered he started to call him Mr.henshaw and some of the letter said why should i call you Dear you are not answering. And then he decided to practice his writing so he bought a diary and he didn't want to say dear diary he thought it was dumb so he called him dear Mr.Pretend Henshaw. Then later on, his dad lost his dog Bandit because Bandit always tried to jump out of the taxi and run away but they always stopped him but that time no one caught him. Then he found the dog but Leghi was so scard and was afaid that he ran away but since his dad lost the dog his dad mailed him a letter with 20$ in it because he new that Leigh would be really mad and sad,