Nancy Springer Books

The Case of the Missing Marquess

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Enola Holmes, much younger sister of detective Sherlock Holmes, must travel to London in disguise to unravel the disappearance of her missing mother.

The Case of the Left Handed Lady Enola Holmes 2

By Nancy Springer

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Pursued by her much older brother, famed detective Sherlock Holmes, fourteen-year-old Enola, disguised and using false names, attempts to solve the kidnapping of a baronet's sixteen-year-old daught...

Outlaw Princess of Sherwood

By Nancy Springer

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The case of the missing marquess

By Nancy Springer

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Enola Holmes, much younger sister of detective Sherlock Holmes, must travel to London in disguise to unravel the disappearance of her missing mother.

Metal Angel

By Nancy Springer

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The Case of the Missing Marquess An Enola Holmes Mystery

By Nancy Springer

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Silver Sun

By Nancy Springer

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The sable moon

By Nancy Springer

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Black Beast

By Nancy Springer

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The golden swan

By Nancy Springer

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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.