William Trattler Books

Review of Ophthalmology

By Neil Friedman, William Trattler, Peter K. Kaiser

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Ophthalmology Made Ridiculously Simple Medmaster Ridiculously Simple

By Stephen Goldberg, William M.D. Trattler

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Cornea handbook

By William B. Trattler

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Clinical Microbiology Made Ridiculously Simple

By William Trattler Mark Gladwin

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Clinical microbiology made ridiculously simple

By Mark Gladwin

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A brief, clear, thorough, and highly enjoyable approach to clinical microbiology, brimming with mnemonics, humor, summary charts and illustrations, from AIDS to flesh-eating bacteria to ebola, mad...

Clinical Microbiology Made Ridiculously Simple

By Mark T Gladwin

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Optimizing Suboptimal Results Following Cataract Surgery

By Priya Narang, William Trattler, Bill Trattler

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Ophthalmology Made Ridiculously Simple

By Stephen Goldberg, William Trattler

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Clinical Microbiology Made Ridiculously Simple

By Mark Gladwin, C. Scott Mahan, William Trattler

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Clinical Microbiology Made Ridiculously Simple

By Mark Gladwin, C. Scott Mahan, William Trattler

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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.