Josef Prchal Books

Williams Hematology, Seventh Edition

By Uri Seligsohn, Josef Prchal, Ernest Beutler, Thomas J. Kipps, Kenneth Kaushansky, Marshall Al Lichtman

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The hematology classic returns with a new editorial team, a new set of expert contributors, and a complete updating of the contents as it continues to define the modern practice of clinical hematol...

Williams Manual of Hematology Ninth Edition

By James Armitage, Josef Prchal, Linda Burns, Marcel Levi, Kenneth Kaushansky, Marshall Lichtman

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Williams Hematology, 9E

By Josef Prchal, Linda Burns, Marcel Levi, Oliver Press, Kenneth Kaushansky, Marshall Lichtman, Michael Caligiuri

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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.