Jessica Blair Books

Following the death of her parents, Lena Carnford expects to inherit at least half of her father's thriving shipping business. But her father leaves the business to his stepson, James. When Lena ha...

Yesterday s Dreams

By Jessica Blair

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Sealed Secrets

By Jessica Blair

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Time and Tide

By Jessica Blair

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Secrets of a Whitby girl

By Jessica Blair

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1832. Sarah is sixteen when her mother tragically dies, an event that has huge repercussions for her, her sisters Arabella and Harriet, and brother Charley. Arabella is ordered by their father to a...

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.