Henry A. Grunwald Books

Twilight

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"In 1992, when Henry Grunwald missed a glass into which he was pouring water, he assumed that he needed new eyeglasses, not that the incident was a harbinger of darker times. But in fact Grunwald w...

One man's America

By Henry A. Grunwald

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One Man's America is at once a stirring account of a young immigrant becoming an American, a personal history of the major milestones of the late twentieth century, a fascinating insider's view of...

A Saint, More or Less

By Henry A. Grunwald, Henry Grunwald

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Nicole Tavernier, a mysterious healer, arrives in mid-sixteenth-century Paris to pursue her craft under the watchful eye of Barbe Acarie, who begins to have doubts about her when Nicole attracts th...

Twilight

By Henry A. Grunwald

Average: 0.00, 0 Ratings

In 1992, when Henry Grunwald missed a glass into which he was pouring water, he assumed that he needed new eyeglasses, not that the incident was a harbinger of darker times. But in fact Grunwald wa...

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.