Roger Rosenblatt Books

The author, a liberal Democratic representative, analyzes the reasons for the party's problems in national elections since 1968, and suggests strategies for electing a Democratic president.

Cataract Blues

By Guillermo Nericcio Garcia, Roger Rosenblatt

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David Levinthal

By David Levinthal, Joanna Marsh, Lisa Hostetler, Dave Hickey, Gary Trudeau

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Rules for Aging

By Roger Rosenblatt

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Where We Stand

By Roger Rosenblatt

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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.