Carlos De Abreu Books

Husband Lover Spy

By Janice Pennington, Carlos De Abreu

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Opening the Doors to Hollywood

By Carlos De Abreu, Howard Jay Smith

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Finally! A step-by-step guide to the keys that unlock the doors to Hollywood.Opening the Doors to Hollywood has all the information you'll ever need in order to tap into the $500 million spent year...

Husband lover spy

By Janice Pennington

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The dramatic story of "The Price is Right" hostess Janice Pennington's desperate search for her missing husband. Betrayed by friends and abandoned by the government, she is forced to embark on a da...

Opening the Doors to Hollywood

By Carlos De Abreu, Howard Jay Smith

Average: 0.00, 0 Ratings

Opening the Doors to Hollywood

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.