Paul Joseph Fronczak Books

The Foundling

By Paul Joseph Fronczak, Alex Tresniowski

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The foundling

By Paul Joseph Fronczak

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The author recounts how after fifty years he discovered that the mother that he was given to in the mistaken belief that he was her kidnapped son was not his real mother and describes his search fo...

Foundling

By Paul Joseph Fronczak, Alex Tresniowski

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True Identity

By Paul Joseph Fronczak, Alex Tresniowski

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True Identity

By Paul Joseph Fronczak, Alex Tresniowski

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The Foundling: The True Story of a Kidnapping, a Family Secret, and My Search for the Real Me

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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.