Answer:
Many of the sentences in the passage show that the author is writing from a first-person point of view.
"I was lying on the sofa reading a book".
"I was home alone because my mom had gone to her friend's wedding".
"I had just begun to enjoy the book when there was a loud knock on the front door".
"The sun was blazing over the roof, baking US all like cookies".
"She asked ME to come along"
"I looked up and wondered if it was a robber"
"I put my book away and walked to the door"
Explanation:
The writer is talking about what happened to him on that day.