"I am afraid I am the person, Miss Derrick," I said.
"You wrote the book?"
"A man must live," I said apologetically.
"Then you must have—oh, nothing."
"I could not help it, I'm afraid. But your criticism was very kind."
"Did you know what I was going to say?"
"I guessed."
"It was lucky I liked it," she said with a smile.
"Lucky for me," I said.
"Why?"