Daniel Cohen Books

Creatures from UFO's

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Discusses sightings of UFO's and encounters with creatures purportedly from those space crafts.

Tells of six unsolved disappearances throughout the world and proposes some theories as to what really happened. Included are Dorothy Arnold, Judge Crater, Michael Rockefeller, the bones of the Pek...

Dealing with the devil

By Daniel Cohen

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Examines the attempts of mortals to deal with the Devil.

Famous curses

By Daniel Cohen

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Presents the stories behind and discusses the validity of such famous curses as those associated with King Tut's tomb and the Hope diamond.

Monsters you never heard of

By Daniel Cohen

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Accounts of lesser-known monsters, including the Jersey Devil, Hairy Hands, Dover Demon, Spring-Heeled Jack, and other phantom animals.

Science fiction's greatest monsters

By Daniel Cohen

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Discusses memorable monsters from science fiction stories, radio and television programs, and movies.

A close look at close encounters

By Daniel Cohen

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Discusses the experiences of those who have seen unidentified flying objects and had contact with extraterrestrial beings.

America's very own monsters

By Daniel Cohen

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Discusses such creatures as Bigfoot, the Demon Cat, and Mothman which, though never proven, are said to exist in the United States.

Real magic

By Daniel Cohen

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Presents ten accounts of "real" magical happenings which, according to science and common sense, cannot occur.

Monster hunting today

By Daniel Cohen

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Discusses the science of cryptozoology, the study of hidden or unidentified animals, such as the famous Loch Ness monster and Bigfoot, which many people believe exist in remote parts of the world.

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.