Barbara De Angelis Books

Secrets about life every woman should know

By Barbara De Angelis

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California Earthquake Zoning and Probable Maximum Loss Evaluation Program

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How to make love all the time

By Barbara De Angelis

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Soul shifts

By Barbara De Angelis

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"There are pivotal moments in the lives of all seekers when we realize that we've been traveling on our path of growth toward happiness and fulfillment, but, simply put, we want to go faster. How w...

Soul Shifts

By Dr. Barbara De Angelis

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There are pivotal moments in the lives of all seekers when we realize that we’ve been traveling on our path of growth toward happiness and fulfillment, but, simply put, we want to go faster....

Vstahut?yun

By Barbara De Angelis

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Are You the One for Me

By Barbara De Angelis

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Secrets About Life Every Woman Should Know

By Barbara De Angelis

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Chicken soup for the couple's soul

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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.