Mary Oldham Books

The white pony

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An overweight girl becomes attached to a nearly blind white pony who inspires her to develop her writing talent and to tackle her biggest problem as well.

A horse for her.

By Mary Oldham

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A horse-crazy girl becomes owner of a mare and foal just as she must choose between horses or librarianship as a career.

No Fire No Candle Pont young adult

By Mary Oldham

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Silver Linings Wedding Dress Auction

By Mary Oldham

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Silver Linings Wedding Dress Auction

By Mary Oldham

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Silver Linings Wedding Dress Auction

By Mary Oldham

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Silver Linings Wedding Dress Auction

By Mary Oldham

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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.