Gwen Cooper Books

Love saves the day

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Losing her home when her owner passes away, Prudence the brown tabby cat is taken in by her former owner's grieving daughter, who maintains a meticulously organized life to avoid the pain of past l...

Love saves the day

By Gwen Cooper

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Homer

By Gwen Cooper

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"The odds had always been stacked against Homer, the little blind kitten nobody wanted. But destiny took a hand the day he met Gwen Cooper, and with the publication twelve years later of the intern...

Love saves the day

By Gwen Cooper

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When five-week-old Prudence meets a woman named Sarah in a deserted construction site on Manhattan's Lower East Side, she knows she's found the human she was meant to adopt. For three years their l...

Homer's Odyssey: A Fearless Feline Tale, or How I Learned About Love and Life with a Blind Wonder Cat

By Gwen Cooper

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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.