Andrea Zuill Books

Regina Is NOT a Little Dinosaur

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Regina Is NOT a Little Dinosaur

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Meet a young dinosaur seeking her independence in this hilarious picture book from the author of WOLF CAMP and SWEETY.When Regina's mother heads off to hunt, she tells her little dinosaur: stay in...

Gustav Is Missing!

By Andrea Zuill

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From the author of Sweety comes a heartwarming story of friendship and bravery, featuring a little mushroom who sets off into the scary world to find his missing pet slug.Oh, no! When mushroom boy...

In this hilarious and heartwarming picture book, join Bob the vampire snail as he embraces his unique love of tomatoes, discovers new and peculiar sleeping talents, and forms an unexpected friendsh...

Bob the Vampire Snail

By Andrea Zuill

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Bob the Vampire Snail

By Andrea Zuill

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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.