I hadn't heard of Esio Trot, but sounds like a definite fit. I was actually reminded of "Hidden Messages in Water" - https://duckduckgo.com/?q=%22hidden+messag

I hadn't heard of Esio Trot, but sounds like a definite fit. I was actually reminded of "Hidden Messages in Water" - https://duckduckgo.com/?q=%22hidden+messages+in+water%22 https://duckduckgo.com/?q=%22hidden+messages+in+water%22