Haley Mancini Books

The Powerpuff Girls. Homecoming

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Following the debut of their NEW hit Cartoon Network show, The POWERPUFF GIRLS make a triumphant return to the world of comics! These stories, written by show-writers Jake Goldman and Haley Mancini...

Powerpuff girls

By Haley Mancini

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The Powerpuff Girls make a triumphant return to comics in three all-new tales! The girls make a deal with Penny Farthing to teach them how to ride a bike; enter into the annual soapbox derby; and...

The PowerPuff Girls

By Haley Mancini

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Sick and tired of the Powerpuff Girls always saving the day, baddies unite at the TOWNSVILLE HIGH VILLAINS COUNCIL, determined to take the girls down once and for all. Gather 'round the table and...

The PowerPuff Girls

By Haley Mancini

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Mojo Jojo has decided that because he can never destroy the Powerpuff Girls, this time, he will do the next best thing: zap them into another time!!! Thus, he uses his patented "Time Tie" on his su...

B.A.B.E. Squad

By Gina Ippolito, Haley Mancini

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Las supernenas 2. Mojo al poder

By Nicoletta Baldari, Jake Goldman, Derek Charm, Phil Murphy, Haley Mancini

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Las supernenas 1

By Dereck Charm, Jake Goldman, Patricia Franco Lommers, Haley Mancini

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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.