Betty Bard MacDonald Books

Happy Birthday, Mrs. Piggle-Wiggle

By Anne MacDonald Canham, Betty MacDonald

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As the children plan a birthday party for Mrs. Piggle-Wiggle, the loveable problem solver, with her trunk full of magic and her animal friends in tow, offers cures for such common conditions as wat...

Happy Birthday, Mrs. Piggle-Wiggle

By Anne MacDonald Canham, Betty MacDonald

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The Egg and I

By Betty MacDonald

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The author relates the joys and frustrations of life on a poultry farm in the mountains of Washington.

Hello Mrs. Piggle Wiggle

By Betty MacDonald

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Mrs. Piggle-Wiggle

By Betty MacDonald

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From her upside-down house, the eccentric Mrs. Piggle-Wiggle issues to parents her marvelous cures for such common children's diseases as Won't-Put-Away-Toys-itis, Answerbackism, and Fighter-Quarre...

Hello, Mrs. Piggle-Wiggle

By Betty MacDonald

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Mrs. Piggle-Wiggle's Farm

By Betty MacDonald

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Mrs. Piggle-Wiggle's Magic

By Betty MacDonald

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Nancy and Plum

By Betty MacDonald

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The Plague and I

By Betty MacDonald

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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.