Trish Witkowski Books

Fold: The Professional'S Guide To Folding

By Trish Witkowski

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A Field Guide To Folding

By Trish Witkowski

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A Field Guide to Folding offers a condensed version of the award-winning FOLDRite system, highlighting 85 of the most common folding styles used in the industry today. This Guide is an essential to...

Paper Folding Templates For Print Design: Formats, Techniques And Design Considerations For Innovative Paper Folding

By Trish Witkowski

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Paper Folding Templates for Print Design is a comprehensive visual resource for anyone who designs or produces folded materials for print and direct mail. Brought to you by the industry's authority...

Paper Folding Templates For Print Design

By Trish Witkowski

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Paper Folding Templates: Folding Solutions For Greeting Cards, Invitations & Flyers

By Witkowski, Trish Witkowski, Trish

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Paper Folding Templates

By Trish Witkowski

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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.