Robert Lerman Books

What Works in Youth Employment Policy

By Robert Lerman, Andrew Hahn

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Young Unwed Fathers

By Robert I. Lerman

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"One in five children in the United States is born to an unwed mother. Fifty-three percent of children supported by welfare have unmarried parents. While public attention has focused almost solely...

Young Unwed Fathers

By Robert I. Lerman

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Moving Working Families Forward

By Robert Cherry, Robert Lerman

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Young Unwed Fathers

By Robert Lerman

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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.