Elly Griffiths Books

"The macabre discovery of a downed WWII plane with the pilot's skeleton still inside leads Ruth and DCI Nelson to uncover a wealthy family's secrets in the seventh Ruth Galloway mystery" --

The woman in blue

By Elly Griffiths

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"In the next Ruth Galloway mystery, a vision of the Virgin Mary foreshadows a string of cold-blooded murders, revealing a dark current of religious fanaticism in an old medieval town. Known as Engl...

The zig zag girl

By Elly Griffiths

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"Brighton, 1950. The body of a girl is found cut into three pieces. Detective Inspector Edgar Stephens is convinced the killer is mimicking a famous magic trick--the Zig Zag Girl. The inventor of t...

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.