Jens Hansen Books

J F K

By J. Gary Shaw, Charles A. Crenshaw, Jens Hansen

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JFK Has Been Shot

By J Gary Shaw, Jens Hansen, Charles A. Crenshaw, Charles A. Crenshaw, M.D., With Jens Hansen And J. Gary Shaw, Foreword By Robert K. Tanenbaum

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The “thrilling, dramatic, historic” #1 New York Times bestseller by the Parkland Hospital surgeon who fought to save President John F. Kennedy (Robert K. Tanenbaum). On November 22, 1963, Dr. Charl...

Pillars of salt

By Hansen Jens

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Systems Pharmacology and Pharmacodynamics

By Holly H.C. Kimko, Donald E. Mager

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Kochbuch CATIA V5 automatisieren

By Jens Hansen

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JFK Verschworung des Schweigens

By Charles A. Crenshaw

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JFK Has Been Shot

By J. Gary Shaw, Charles A. Crenshaw, Jens Hansen

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Sudoku Puzzle Book Hard

By Jens Hansen

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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.