Catcher in the Rye Chapter 5

Holden and some friends go out and have a snowball fight. They were going to go to a movie but decided to get some burgers because they have already seen the movie. When Holden gets back he starts writing the compostion paper for Stradlater. He writes about his brother Allie's baseball mitt with the poems written on it. It seems like Holden really misses his brother. Allie passed away from Luekemia.