Nickelodeon Firm Books

What happens when Man Sponge and Patrick Boy decide to free the villain Man Ray from his frozen prison and teach him to do good? Can May Ray really change his ways?

Spongebob Squarepants

By Nickelodeon Firm

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Viewers will experience Christmas in Bikini Bottom as never before--in Stop Motion animation. Everyone in Bikini Bottom is in a festive mood while preparing for Christmas--everyone except Plankton,...

Dora the explorer

By Nickelodeon Firm

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Dora and Boots must skate to the rescue of the Snow Princess, Snow Fairy, and all their Snowy Forest friends when a mean Ice Witch takes everyone's ice skates! Plus, help Dora catch a runaway Shape...

Pup pup and away

By Nickelodeon Firm

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Teenage Mutant Ninja Turtles storybook collection

By Nickelodeon Firm

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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.