Marjorie Flack Books

Wait for William

By Marjorie Flack

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William and His Kitten

By Marjorie Flack

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Angus and the ducks

By Marjorie Flack

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The Story about Ping

By Marjorie Flack

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Since 1933, The Story About Ping has captivated generations of readers, but never before has it been available in a mass-market paperback format. No one can deny the appeal of the book's hero, Ping...

The story about Ping

By Marjorie Flack

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The Story About Ping

By Marjorie Flack

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The Story About Ping covers the concepts Family and Problem Solving. This classic children’s book was first published in 1933 and is still as delightful and relevant as ever. Ping’s owner takes him...

Angus and the Cat

By Marjorie Flack

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Angus Y El Gato

By Marjorie Flack

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De quien eres ratoncito

By Marjorie Flack, Robert Kraus

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A lonely little mouse has to be resourceful in order to bring his family back together.

The Story About Ping

By Marjorie Flack

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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.