Christopher Hastings Books

Introduction to the New Mainframe

By Mike Ebbers, Micky Reichenberg, Christopher Hastings, Matt Nuttall

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Fear Itself Deadpool Fearsome Four

By Chris Hastings, Brandon Montclare

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Phonetics Phonology Pronunciation for the Language Classroom

By Christopher Hastings, Charles Hall

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The Fourth Closet

By Christopher Hastings, Scott Cawthon, Diana Camero, Kira Breed Wrisley

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GWENPOOL OMNIBUS

By Christopher Hastings

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Superfan becomes super hero! Gwen Poole was an avid comic book reader - until she found herself transported into the Marvel Universe! Now, surrounded by characters that she knows everything about -...

The unbelievable Gwenpool

By Christopher Hastings

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The unbelievable Gwenpool

By Chris Hastings

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Gwen Poole continues to make friends and influence people across the Marvel Universe! But what will some of Marvel's greatest heroes make of Gwen and her bizarre perspective on the world they live...

Adventure time

By Ryan North

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COOKING IS HARD! Or, at least it is if you're a citizen of Ooo! Finn and Jake wake up one morning to realize that they've forgotten how to cook!? It looks like it's an epidemic that is spreading ar...

Adventure time

By Chris Hastings

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Disregarding an old-timey recording found in Josh's underwater lair, Finn and Jake fail to learn about their new sister.

Adventure Time Vol. 8 Mathematical Edition

By Christopher Hastings, Ryan North

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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.