Robert Lee Brewer Books

Guide to Literary Agents 30th Edition

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The Best Resource Available for Finding a Literary Agent, fully revised and updatedNo matter what you're writing--fiction or nonfiction, books for adults or children--you need a literary agent to g...

Writer'S Market 2018: The Most Trusted Guide To Getting Published

By Robert Lee Brewer, Brewer, Robert Lee

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The most trusted guide to getting published! The __2014 Writer's Market__ details thousands of publishing opportunities for writers, including listings for book publishers, consumer and trade magaz...

Writer s Market Deluxe Edition 2018

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Poet s Market 2018

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Writer'S Market 2019: The Most Trusted Guide To Getting Published

By Robert Lee Brewer

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Writer s Market Deluxe Edition 2019

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Poet s Market 2019

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Children s Writer s Illustrator s Market 2019

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Writer'S Market 2020: The Most Trusted Guide To Getting Published

By Robert Lee Brewer, Brewer, Robert Lee

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2002 Writer s Market Online

By Kirsten Holm

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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.