Bonnie Siegler Books

Dear Client

By Bonnie Siegler

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Dear Client

By Bonnie Siegler

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Dear client

By Bonnie Siegler

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"In a world where every business, brand, product, and service needs a strong visual identity, it's critical for clients and creative professionals to work together. And the key to success, as with...

Signs of resistance

By Bonnie Siegler

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In hundreds of iconic, smart, angry, clever, unforgettable images, Signs of Resistance chronicles what truly makes America great: citizens unafraid of speaking truth to power.Two hundred and forty...

Dear Client

By Bonnie Siegler

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Signs of Resistance

By Bonnie Siegler

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American Way

By Helene Stapinski, Bonnie Siegler

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American Way

By Helene Stapinski, Bonnie Siegler

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American Way

By Helene Stapinski, Bonnie Siegler

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Posters for Peace & Justice 2020 Wall Calendar: A History of Modern Political Action Posters

By Amber Lotus Publishing, Brooke Fischer, Edel Rodriguez, Bonnie Siegler, Victo Ngai, Ashley Lukashevsky, Melinda Beck

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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.