Hendrik D. L. Vervliet Books

Robert Granjon (1513-1590) was a younger contemporary of Claude Garamont (c.1510-1561) and with him one of the great names in the history of type-design. His typefaces have been studied in some dep...

Robert Granjon letter cutter 1513 1590

By Hendrik D. L. Vervliet

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"A biography and of the sixteenth-century designer and letter cutter Robert Granjon (1513-1590), with a catalogue and facsimiles of his types and ornaments"--

Annual Bibliography of the History of the Printed Book and Libraries Volume 1

By Hendrik D. L. Vervliet

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Liber amicorum H. D. L. Vervliet

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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.