Question

. When Bradbury claims, "Thus I fell into surprise"

Answer 1

Answer: He is referring to his discovery that the secret to a creative writing for him was using a method of word-association to write fiction.

Explanation: He would get up every morning and write down at his desk any string of words that would come to him. Then he would begin to develop a story from it.

He would take walks along familiar places and go down memory lane writing on acquintances and loved ones he once knew or that had passed on.