Green James Books

The eagle turns

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1850 and America is violently divided on the issue of slavery. When President Zachary Taylor dies, suddenly and under questionable circumstances, it is left to his Vice President, Millard Fillmore,...

The eagle turns

By Green James

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Stealing God

By Green James

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Corrupt copper and bad Catholic Jimmy Costello is back, and he's studying to be a priest in Rome. But his old life refuses to stay buried ... 'hen a visiting archbishop dies in suspicious circumsta...

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.