Michael Jahn Books

Murder On Fifth Avenue: A Bill Donovan Mystery

By Michael Jahn, Mike Jahn

Average: 0.00, 0 Ratings

Murder In Central Park: A Bill Donovan Mystery

By Michael Jahn, Mike Jahn

Average: 0.00, 0 Ratings

Michael Jahn. Thomas Dunne Books.

Six Million Dollar Man #1: Wine, Women, And War

By Michael Jahn, Michael JAHN

Average: 0.00, 0 Ratings

New York State Of Crime

By MIKE JAHN, Barbara Paul, Michael Jahn, Dorian Yeager

Average: 0.00, 0 Ratings

From a city famous for its gritty and tough-talking detectives come three stories in one dynamic package. This anthology contains an original short story, "Clean Sweep, " by Paul and two full-lengt...

Murder In Central Park

By Michael Jahn, Mike Jahn

Average: 0.00, 0 Ratings

Crooks, Crimes, And Christmas

By Susan Slater, Michael Jahn, Ed Gorman, Irene Marcuse, Susan Slater, Ed Gorman, Irene Marcuse, Michael Jahn

Average: 0.00, 0 Ratings

Four delightful holiday mysteries, filled with all the Christmas trimmings, includes Susan Slater's A Way to the Manger, in which Native American psychologist Ben Pecos investigates the mysterious...

Night Rituals

By Michael Jahn, Mike Jahn

Average: 0.00, 0 Ratings

One after another in dimly lit Riverside Park, three young women are brutally murdered. Palm fronds bind their wrists, and halos of corn kernels frame their heads. Blood has been taken from their b...

Death Games

By Michael Jahn, Mike Jahn

Average: 0.00, 0 Ratings

Bill Donovan, head of the West Side Major Crimes Unit, investigates the case of a mysterious and beautiful woman from the horse country of Virginia who stalks and kills mobsters with a Civil War pi...

Switch

By MIKE JAHN, Michael Jahn

Average: 0.00, 0 Ratings

Six Million Dollar Man : International Incidents

By Michael Jahn, Mike Jahn

Average: 0.00, 0 Ratings

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.