Marcia Willett Books

The Birdcage

By Marcia Willett

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The Golden Cup

By Marcia Willett

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Memories Of The Storm

By Marcia Willett

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The prodigal wife

By Marcia Willett

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The Keep, that beautiful, ancient family home where the Chadwick family had lived for generations, is still a haven from the heartbreak and storms of life. Jolyon chadwick, a famous TV presenter, t...

The Sea Garden

By Marcia Willett

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Indian Summer

By Marcia Willett

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Summer on the river

By Marcia Willett

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Evie loved the house. The bright, sunny rooms looking across the river. The terraced gardens with fruit trees growing against the high stone walls. The scent of lavender at the end of a hot day. It...

Theas Parrot

By Marcia Willett

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Those Who Serve

By Marcia Willett

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The Courtyard

By Marcia Willett

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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.