Amanda Conner Books

Supergirl

By Amanda Conner, Joe Kelly, Ian Churchill

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Harley Quinn

By Amanda Conner

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"Fresh from BATMAN: DEATH OF THE FAMILY and SUICIDE SQUAD, Harley Quinn returns to her first solo series in the New 52! The writing team of Jimmy Palmiotti (ALL STAR WESTERN) and Amanda Conner (BEF...

Harley Quinn

By Amanda Conner

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When bona fide super hero Power Girl drops outta the sky and into Harley Quinn's new Coney Island 'hood, there's only one thing the former moll to do: sew herself a new costume so the amnesiac Powe...

Harley Quinn Vol. 4: A Call to Arms

By Jimmy Palmiotti, Amanda Conner

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Girl power

By Amanda Conner

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Harley Quinn

By Amanda Conner

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"Her name is Dr. Harleen Quinzel--better known to her friends and enemies as Harley Quinn. Her very-very-ex-boyfriend the Joker may be the Clown Prince of Crime, but Harley's the Queen of Coney Isl...

Harley Quinn

By Amanda Conner

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"At long last, it's Harley Quinn and The Joker, face-to-face! Harley's got an endangered friend to save, but there's just one problem: she's got to get through Arkham Asylum first! Unsurprisingly,...

Harley Quinn Vol. 4: A Call to Arms

By Amanda Conner

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HEED THE CALL — JOIN THE GANG OF HARLEYS! Harley Quinn is on a mission to make the world a better place...and get paid for it at the same time! Quinn and her Gang of Harleys are taking o...

Starfire Vol. 2

By Jimmy Palmiotti, Amanda Conner

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Harley Quinn Vol. 6

By Jimmy Palmiotti, Amanda Conner

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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.