Goodreads asked M.E. Fisher:

Where did you get the idea for your most recent book?

M.E. Fisher Shiny Marbles, my most recent book came from having a traumatic experience, and having been at an inpatient behavioral health hospital. I asked my Psychiatrist if he saw common threads or a connected truths in his patients' delusions. He said it was more like a flavor to the delusions, but I wondered what would happen if there was a truth or deeper connection that those who were ill could see, but those who were well could not. Things developed from there.

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