Christine Day Books

I Can Make This Promise

By Christine Day

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I Can Make This Promise

By Christine Day

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The Sea in Winter

By Christine Day

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She Persisted

By Chelsea Clinton, Alexandra Boiger, Christine Day, Gillian Flint

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She Persisted: Maria Tallchief

By Chelsea Clinton, Alexandra Boiger, Christine Day, Gillian Flint

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Inspired by the #1 New York Times bestseller She Persisted by Chelsea Clinton and Alexandra Boiger, a chapter book series about women who stood up, spoke up and rose up against the odds--including...

A Day with a Publican Day in the Life

By Jane Elizabeth Bowler, Christine Day

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A Day with a Hairdresser Day in the Life

By Jane Elizabeth Bowler, Christine Day

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Working for the Postal Service People at Work

By Christine Day

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A day with a fireman

By Christine Day

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A Day with an Ambulance man Day in the Life

By Jane Elizabeth Bowler, Christine Day

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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.