Persimmon Blackbridge Books

Sunnybrook: A True Story with Lies is the hilarious and angry story of a young woman who fakes her way into a job that changes her life. One cover-up follows another as Diane hides her learning dis...

Prozac highway

By Persimmon Blackbridge

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An over-forty cleaning lady and lesbian performance artist, Jam is hitting mid-life head-on. She's having trouble walking to the corner store because she's so depressed, but her forays onto the Int...

Out of the Blue

By Persimmon Blackbridge, Bonnie Sherr Klein

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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.