Petru Popescu Books

Footprints in time

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While Jack is visiting his father, a research scientist in Tanzania, their plane goes down over the savanna, killing everyone but Jack, who meets a mysterious creature who helps him survive.

Footprints in Time

By Petru Popescu

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Amazon Beaming

By Petru Popescu

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The last wave

By Petru Popescu

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The Oasis: A Memoir of Love and Survival in a Concentration Camp

By Petru Popescu

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"Mirek Friedman and Blanka Davidovich first met in Muhldorf, Germany, in the concentration camp known as Dachau 3b. Mirek, a freedom fighter in the Czech underground, saved Blanka's life by distrac...

Amazon Beaming

By Petru Popescu

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Almost Adam

By Petru Popescu

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In Hot Blood

By Petru Popescu

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Amazon Beaming

By Petru Popescu

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Almost Adam: A Novel

By Petru Popescu

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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.