Brian Elling Books

Knock! Knock! Who Was There?

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Over 300 side-splitting jokes based on the New York Times best-selling series.If you want to know exactly why Milton Hershey's wife married him, look no further. (Because she wanted lots of Hershey...

Happy Housewarming Mad Libs

By Brian Elling

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The Office Mad Libs

By Alexandra L. Wolfe, Brian Elling

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Grab your World's Best Boss Mug and join your favorite Dunder SILLY WORD employees with The Office Mad Libs!Identity theft is not a joke, Jim, but The Office Mad Libs is full of them! Fans of the h...

The Clarence Uh Oh Eek Oops Yikes Book

By Brian Elling

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You re on Your Way

By Brian Elling

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Fish Happens Words Of Wisdom From The Penguins

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Build It

By Brian Elling

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Tales from Mad Libs

By Brian Elling, Brian D. Clark

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The Who Was? Trivia Book

By Brian Elling, Who HQ

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History's most famous figures are showcased in this funny and factual trivia book, based on the #1 New York Times best-selling Who Was? series!What do you get when you mix Jeopardy-style fun facts...

Clarence Mad Libs

By Brian Elling

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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.