Jill C Wheeler Books

A biography of the civil rights leader who spent much of his life pursuing his dream of equal treatment for fellow African Americans and for all people.

Pope John Paul II

By Jill C. Wheeler

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Traces the life of Karol Wojtyla from his childhood and student years in Poland through his ordination as a priest, his election as Pope John Paul II, and his efforts to strengthen the Catholic Chu...

Brad Pitt

By Jill C. Wheeler

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Focuses on the personal life and television and film acting career of Brad Pitt.

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.