Tulsa author William Bernhardt, who is best known for his legal thrillers, is returning to Ponca City after a long absence on Saturday, April 29 at 1pm. His new changeof- pace novel is titled The Florentine Poet. He will be joined with author Barry Friedman who has written a humorous book about his dad titled Jack Sh*t: Voluptuous Bagels and Other Concerns. William Bernhardt says that critics…