Read this excerpt from Extremely Loud and Incredibly Close . What was a pretty blue vase doing way up there? I couldn’t reach it, obviously, so I moved over the chair with the tuxedo still on it, and then I went to my room to get the Collected Shakespeare set that Grandma bought for me when she found out that I was going to be Yorick, and I brought those over, four tragedies at a time, until I had a stack that was tall enough. How does the narration shape Oskar’s characterization in this excerpt?