Ernst Hoffman Books

DK Classics

By DK Publishing, James Mayhew, Ernst Hoffman, David Clement Davies

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After hearing how the toy nutcracker that she and her brother received for Christmas got his ugly face, Marie helps break the spell he is under and watches him change into a handsome prince. Illust...

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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.

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