Lois Gladys Leppard Books

Mandie and the abandoned mine (Masndie books 8)

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Uncle John won't sell his old mine at Rose Creek until Mandie and Joe have seen it. On their next visit to the mine, the two friends are faced with intrigue and danger.

Mandie and the Forbidden Attic

By Lois Gladys Leppard

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Mandie and the Holiday Surprise

By Lois Gladys Leppard

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Mandie and the Midnight Journey

By Lois Gladys Leppard

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Mandie and the Washington Nightmare

By Lois Gladys Leppard

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Mandie and the Unwanted Gift

By Lois Gladys Leppard

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Mandie and the Long Goodbye Mandie Books Turtleback

By Lois Gladys Leppard

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Mystery at Miss Abigail s Young Mandie Mysteries Turtleback

By Lois Gladys Leppard

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The New Girl Young Mandie Mysteries

By Lois Gladys Leppard

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Who s Mandie Young Mandie Mysteries

By Lois Gladys Leppard

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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.