Lynn Alleva Lilley Books

Deep time

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"The term 'deep time' refers to geological time and encompasses the age of the earth which scientists estimate to be about 4.5 billion years old. The photographs in this book were made in Lewes, De...

Tender mint

By Lynn Alleva Lilley

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"Tender Mint is a photo book about displacement, loss, entrapment, adaptation and home. It is also about discovering beauty in often difficult and contradictory situations. The book offers a unique...

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.