Alexis Peri Books

The war within

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In September 1941, two-and-a-half months after the Nazis invaded the Soviet Union, the German Wehrmacht encircled Leningrad. Cut off from the rest of Russia, the city remained blockaded for 872 day...

Hunger and War

By Rebecca Manley, Alexis Peri, Donald A. Filtzer, Brandon M. Schechter, Wendy Z. Goldman

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War Within

By Alexis Peri

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War Within

By Alexis Peri

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Dear Unknown Friend

By Alexis Peri

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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.