Pendleton Ward Books

Adventure time

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When Princess Bubblegum decides to turn a mysterious map into a hot air balloon race around Ooo, she, Marceline, and LSP take on Finn, Jake, and BMO to see who can gather up the three pieces of gol...

Adventure Time Original Graphic Novel Marceline the Pirate Queen

By Leah Williams

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Adventure Time Vol. 17

By Mariko Tamaki, Christopher Hastings, Kiernan Sjursen Lien, Conor McCreery, Ryan North

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Adventure Time with Fionna and Cake Original Graphic Novel

By Pendleton Ward, Kate Sheridan, Vivian Ng

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Adventure Time

By Pendleton Ward

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Cartoon Network Graphic Novel Gift Set

By Pendleton Ward

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Adventure Time

By Pendleton Ward

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Adventure Time

By Pendleton Ward

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Adventure Time

By Bryce Carlson, Josh Williamson, Kory Bing, Roger Langridge, Alex Cox

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The Adventure Time Encyclopaedia

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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.