John Connolly Books

The burning soul

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Randall Haight has a secret: when he was a teenager, he and his friend killed a 14-year-old girl. Randall did his time and built a new life in the small Maine town of Pastor's Bay, but somebody has...

Lovers

By John Connolly

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Reapers

By John Connolly

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The Whisperers A Charlie Parker Thriller

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The burning soul

By John Connolly

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"Randall Haight has a secret: He is a convicted murderer, a man with the blood of a young girl on his hands. He has built a new life for himself in the small Maine town of Pastor's Bay, but someone...

The burning soul

By John Connolly

Average: 0.00, 0 Ratings

Whisperers

By John Connolly

Average: 0.00, 0 Ratings

The burning soul

By John Connolly

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The Lovers John Connolly

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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.