Here's Jonathans short synopsis
Do pterosaurs--non-extinct--live in the Southwest Pacific? This is a true story, delving deeper than fossils, in a quest to uncover the truth about an amazing creature. Seven Americans have visited Umboi, a remote tropical island in Papua New Guinea; not one has come back disbelieving in the ropen; not one believes it is something other than a pterosaur.
Universal-extinction-of-all-pterosaurs is no longer believable.
"Searching for Ropens" digs deeply into the origin and purpose of the Western assumption of ancient pterosaur extinction. By analyzing the eyewitness testimonies with an eye to alternate interpretations, the author proves that this is a valid investigation with valid evidence for the existence of living pterosaurs.
The book can be purchased from Amazon here or Barnes and Noble here