Billy Merrell Books

Tales of the Great Beasts Spirit Animals Special Edition

By Billy Merrell, Brandon Mull, Emily Seife, Nick Eliopulos, Gavin Brown

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Talking in the Dark

By Billy Merrell

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Tales of the fallen beasts

By Brandon Mull

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Follow four young heroes as they work together to bring back the spirit animals hunted by a mysterious stranger.

Tales of the Fallen Beasts Spirit Animals Special Edition

By Billy Merrell, Brandon Mull, Emily Seife, Nick Eliopulos, Gavin Brown

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Horoscope Mad Libs

By Billy Merrell

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Mad Libs is the world’s greatest word game and the perfect gift or activity for anyone who likes to laugh! Write in the missing words on each page to create your own hilariously funny stories...

Talking in the Dark Push Poetry

By Billy Merrell

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Bob's Burgers Mad Libs

By Billy Merrell

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Mad Libs is the world’s greatest word game and the perfect gift or activity for anyone who likes to laugh! Write in the missing words on each page to create your own hilariously funny stories...

Vanilla

By Billy Merrell

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Vanilla

By Billy Merrell

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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.