Karen Cushman Books

The thirteen-year-old daughter of an English country knight keeps a journal in which she records the events of her life, particularly her longing for adventures beyond the usual role of women and h...

The Midwife's Apprentice

By Karen Cushman

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In medieval England, a nameless, homeless girl is taken in by a sharp-tempered midwife, and in spite of obstacles and hardship, eventually gains the three things she most wants: a full belly, a con...

The Ballad of Lucy Whipple

By Karen Cushman

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Matilda Bone

By Karen Cushman

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Fourteen-year-old Matilda, an apprentice bonesetter and practitioner of medicine in a village in medieval England, tries to reconcile the various aspects of her life, both spiritual and practical.

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.