The author of this is the biggest thing of the works
"The Radley Place fascinated Dill. In spite of our warnings and explanations, it drew him as the moon draws water, but drew him no nearer than the light-pole on the corner, a safe distance from the Radley gate." Chapter 1, page 10.
The simile is "as the moon draws water." A simile is a type of figurative language, a comparison that uses "like" or "as."