Jerry Kennealy Books

Jigsaw

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A killer calling himself Thanatos, the Greek God of death, has been sending e-mails to entertainment critic Carroll Quint, taunting him with clues about his next target from Alfred Hitchcock movies...

Still Shot

By Jerry Kennealy

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Polo Solo

By Jerry Kennealy

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Polo Anyone?

By Jerry Kennealy, Kennealy, Jerry

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Street-smart San Francisco private eye Nick Polo is hired to set up a sting operation against poker player Run Dettman, suspected by his friends of cheating, but Polo finds out too late that Dettma...

Polo solo

By Jerry Kennealy

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Polo, anyone?

By Jerry Kennealy

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Polo's ponies

By Jerry Kennealy

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Polo in the rough

By Jerry Kennealy

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Polo's wild card

By Jerry Kennealy

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Special delivery

By Jerry Kennealy

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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.