Jonathan Whitcomb writes nonfiction books on living pterosaurs, with some serious subjects involving a Western cultural weakness and the trials faced by eyewitnesses of creatures thought long extinct. Yet he feels it healthy to sprinkle in bits of humor, to lighten up a subject that might otherwise cause stress, for example: As of early 2014, the author has never been a best-selling author, never made a million dollars, and never been seen on American television . . . although it was not by design. He has, however, been very popular with people who report that they have seen large pterodactyls...