Doug Johnson Books

1 volume (unpaged) : 26 cm When his teacher tells him that he will not have to do his classwork if he can find a dinosaur, James is determined to find one and bring it to school

Never babysit the hippopotamuses!

By Johnson Doug

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Babysitting hippopotamuses leads to wacky events and unruly incidents.

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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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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.