Bobbie Page Books

Justice League

By Bobbie Page, Bruce Timm, Dwayne McDuffie, Sam Liu, Lauren Montgomery

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In a parallel Earth ruled by the Crime Syndicate, the Justice League must fight their evil doppelgangers in a battle that would be dead even, except that their malicious counterparts are willing to...

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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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