Hangman Summary

That night, Edgar attempts to figure out what his father was trying to communicate to him with the letters H, A, C, and I. Looking through the old letters again, Edgar comes across the word "Hachiko", the name for a dog who lived in Japan and waited for a train. People believed the dog could sense a higher truth, or a presence, that others could not.

Hangman Analysis

Edgar gets to the root of his grandfather's determination to create a brilliant dog through the story of Hachiko. The idea of a higher truth that others could not sense helps drive Edgar on in his search of answers.