Howard Chackowicz Books

The Portable Conundrum

By Elisabeth Belliveau, Catherine Kidd, Joey Dubuc, Meg Sircom, Golda Fried, Suki Lee, Joe Ollmann, Andy Brown, Shary Boyle, Victoria Stanton, Chandra Mayor, Vincent Tinguely, Nathaniel G. Moore, Dana Bath, Robert Allen, Liane Keightley, Howard Chackowicz, Andrew George Brown, Corey Frost, Valerie Joy Kalynchuk, Amanda Marchand, Maya Merrick, Billy Mavreas, Jillian Tamaki, Helene Brosseau, Marc Bell, Julia Tausch, Lance Blomgren

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Being an unabridged compendium containing within its yellowing pages the summation of a decade of publishing from one of Canada's most innovative publishers. Everyone who has published under the co...

Monster island three

By Patrick R. Burger, Bernie Mireault, Joe Ollmann, Andy Brown, Rupert Bottenberg, Jennifer MacIntyre, Carlos Santos, Howard Chackowicz, Tessa Fenger, Leyla Majeri, Billy Mavreas, John Mavreas, Helene Brosseau, Rick Trembles

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Monster Island Three is the book anthology of the art zine edited by popular Montreal artist Billy Mavreas. It contains comics and essays about monsters and comics. These artists pit their personal...

Nothing to See Here

By Howard Chackowicz

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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.