The following nonfiction cryptozoology books were found, on Amazon, to each have at least one chapter on large flying creatures that have appeared to eyewitnesses in modern times. These paperbacks are ranked according to Amazon popularity, with smaller numbers indicating more sales recently. (As in golf, authors want the lowest number-rankings possible on Amazon.)

Rankings and price offers were noted on April 15, 2015, between 7:20 a.m. and 7:38 a.m., U.S. Mountain time. Keep in mind that many millions of books are sold on Amazon, so a ranking of a million means that a book is selling better than most books.


front cover of the fourth edition of this nonfiction book


On tax day, this is the best-selling Amazon nonfiction on modern pterosaurs: Searching for Ropens and Finding God, fourth edition, by Jonathan David Whitcomb. It has been called “the Bible of modern pterosaurs.”

  • Amazon rank: #102,171
  • Published in 2014
  • 360 pages
  • $16.19



Thunderbirds - America's Living Legends of Giant Birds


The second best-ranked book is Thunderbirds – America’s Living Legends of Giant Birds, by Mark A. Hall. One thing sets this one apart from the others: the apparent general perspective that large flying creatures are giant birds. In fact, from what little I have read (using the Amazon “Look Inside” feature), the author appears to be hiding the identity of one flying creature, at least inadvertently. It was the one reported by Allison Jornlin about a man who witnessed something huge flying outside a window of the Elmbrook Memorial Hospital in Brookfield, Wisconsin. In that sighting, the witness could not make out any feathers and reported that it looked bat-like. Mr. Hall says nothing about that detail, at least in that part of his book about “giant birds.”

  • Amazon rank: #112,461
  • Published in 2004
  • 208 pages
  • $16.99



"Missionaries and Monsters" by William Gibbons


The Amazon page for Missionaries and Monsters (nonfiction by William J. Gibbons) says, “Clues to undiscovered species have been left by missionaries and pastors throughout the world, and explorer Bill Gibbons is hot on their trail.”

  • Amazon rank: #179,127
  • Published in 2006
  • 104 pages
  • $9.95



cover of nonfiction cryptozoology book "Live Pterosaurs in America"


The cryptozoology book Live Pterosaurs in America, third edition, by Whitcomb, sometimes is the Amazon best-selling nonfiction in this narrow genre, but not on this particular day. It is not written primarily to convince readers that pterosaurs fly over the USA, but mostly documents eyewitness accounts. Unlike Searching for Ropens and Finding God, this is in pure cryptozoology genre.

  • Amazon rank: #407,839
  • Published in 2011
  • 154 pages
  • $10.92



Ken Gerhard's nonfiction "Big Bird"


Big Bird, by Ken Gerhard, is subtitled “Modern Sightings of Flying Monsters.” This is mostly about the author’s personal experiences in tracking down eyewitnesses in Texas and what those witnesses told him about their encounters.

  • Amazon Rank: #965,331
  • Published in 2007
  • 108 pages
  • $11.51



"Bird From Hell" by Gerald McIsaac


This is the third edition of Bird From Hell, by Gerald McIssac, of Canada. Not all of the book is about this particular cryptid that terrorizes local people in northern British Columbia. It also covers the hairy elephant, rubber-faced bear, dire wolf, and a lake monster.

  • Amazon Rank: #2,792,324
  • Published in 2012
  • 184 pages
  • $13.64



Fiery Flying Serpent

Searching for  Ropens and Finding God is a nonfiction about pterosaurs  with long tails, apparently real animals that live in our modern  world.

Nonfiction Books That Mention Non-Extinct Pterosaurs

Not all books that include a sighting of an apparent living pterosaur are in the cryptozoology genre. Let’s begin with a translation of an ancient writing by the Jewish historian Josephus . . .

Sense of Truth

This nonfiction paperback should be published before the beginning of summer, 2015, and one chapter is devoted to the concept of modern living pterosaurs.

Religion and Science in the New Ropen Book

How much religion and science are found in the nonfiction Searching for Ropens and Finding God? It depends on what you’re looking for. If it’s quantities of Biblical quotes or complex scientific concepts that prove the Bible is true, this nonfiction would compete poorly with at least two books available on Amazon. But for true-life adventures of Christian explorers who live their faith by getting actively involved, Searching for Ropens and Finding God may be a step above any other book in the religion/science-and-religion genre.


nonfiction spiritual/cryptozoology paperback by Whitcomb

Cryptozoology/true-life adventure/spiritual quest – Searching for Ropens and Finding God – fourth edition, by Jonathan David Whitcomb, with 360 pages, handles a number of issues regarding worldwide sightings, including questions about misidentification potential. Indeed this nonfiction paperback deserves being called “the Bible of Modern Pterosaurs.”

Subtitled “The quest for discovering modern pterosaurs (‘flying dinosaurs’)”

From the Acknowledgements near the beginning of the book:

What more could we ask of the U.S. Marine Eskin Kuhn and the little girl Patty Carson, two eyewitnesses of “pterodactyls” at Guantanamo Bay, Cuba, in the middle of the twentieth century? They carefully observed those flying creatures and later drew detailed sketches that defy any misidentification conjecture that any skeptic might throw at them.

Special thanks to Paul Nation, Garth Guessman, and David Woetzel for research, advice, and the use of photographs and other images. Clifford A. Paiva, of BSM Associates, California City, CA, assisted by Harold S. Slusher, University of Texas at El Paso, Physics Department, wrote “Results of Investigations Concerning Pterosaur Sightings in Papua New Guinea.” We also acknowledge a report by the late Scott Norman, who encounter with an apparent pterosaur encouraged us to continue searching for large bioluminescent flying creatures in North America.


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