Roderick Gordon Books

Tunnels

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When Will Burrows and his friend Chester embark on a quest to find Will's archaeologist father, who has inexplicably disappeared, they are led to a labyrinthine world underneath London, full of sin...

Tunnels

By Brian Williams, Roderick Gordon

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Deeper

By Roderick Gordon

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As young archaeologist Will Burrows continues to search for his lost father in the strange underground world he has discovered beneath the city of London, he stumbles across a sinister plot with te...

Freefall

By Roderick Gordon

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As fourteen-year-old archaeologist Will and his friends plummet down a subterranean pore, they face deadly creatures and discover a strange fungal shelf, which not only reveals artifacts from ancie...

Closer Tunnels

By Brian Williams, Roderick Gordon

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Deeper Turtleback School Library Binding Edition Tunnels Books Prebound

By Brian Williams, Roderick Gordon

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Spiral Turtleback School Library Binding Edition Tunnels Books Prebound

By Brian Williams, Roderick Gordon

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The Highfield Mole Circle in the Spiral

By Brian Williams, Roderick Gordon

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Tunnels

By Roderick Gordon

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Tunnels

By Brian Williams, Roderick Gordon

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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.