Final answer:
In the book Wonder, August liked his birthday because it was the one day he felt special and received attention from his friends.
Step-by-step explanation:
In the book Wonder, August liked his birthday so much because it was the one day he felt special. On his birthday, August was able to celebrate with his friends and receive presents, which made him feel loved and appreciated. He also enjoyed the attention he received on his birthday, which made him feel important and valued.