Adam Langer Books

The Thieves of Manhattan

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The famously false memoirs of James Frey may be yesterday’s news, but as this funny riff reminds us, literary fakes are as old as literature itself. Ian Minot is an aspiring writer who labors...

Crossing California

By Adam Langer

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Crossing California is a cinematic and unforgettable look at the end of an era, the turning point when the idealism of the sixties gave way to the pragmatism of the eighties.California Avenue,...

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.