Katherine Howell Books

Frantic

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"In one terrible moment, paramedic Sophie Phillips's life is torn apart her police officer husband, Chris, is shot on their doorstep and their ten-month-old son, Lachlan, is stolen from his bed. Th...

Frantic

By Katherine Howell

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The Darkest Hour

By Katherine Howell

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Cold Justice

By Katherine Howell

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Web of deceit

By Katherine Howell

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"Shortlisted for the 2013 Ned Kelly Award for Best Crime Fiction Often compared to Karin Slaughter and Patricia Cornwell, prize-winning author Katherine Howell thrills readers in this gripping nove...

Frantic

By Katherine Howell

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The darkest hour

By Katherine Howell

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Tell the Truth

By Katherine Howell, Caroline Lee

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Web of Deceit

By Katherine Howell, Caroline Lee

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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.