Doug Henwood Books

With compelling clarity, Henwood dissects the world's greatest financial center, laying open the Intricacies of how, and for whom, the market works. The Wall Street which emerges is not a pretty si...

Wall Street

By Doug Henwood

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My Turn

By Doug Henwood, Joe Barrett

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After the New Economy

By Doug Henwood

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My Turn

By Doug Henwood

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Hillary Clinton is running for the presidency with a message of hope and change. But, as Doug Henwood makes clear in this concise, devastating indictment, little trust can be placed in her campaign...

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.