A Very Persistent Illusion is a book by crime writer L. C. Tyler. He is a past chair of the Crime Writers Association and author of the Herring series.  The Plot Inventor of the Sorensen-Birtwistle Revised Scale of Girl-Rage, Chris has a beautiful girlfriend (Virginia), two likeable potential parents-in-law (Hugh and Daphne) and a classic sports… More A very persistent illusion