Sam Maggs Books

Con Quest
Con Quest

By Sam Maggs

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The Unstoppable Wasp
The Unstoppable Wasp

By Sam Maggs

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Tell No Tales
Tell No Tales

By Kendra Wells, Sam Maggs

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Marvel Fearless and Fantastic Female Super Heroes Save the World
The fangirl s guide to the galaxy
The fangirl s guide to the galaxy

By Sam Maggs

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"Fanfic, cosplay, cons, books, memes, podcasts, vlogs, OTPs and RPGs and MMOs and more - it's never been a better time to be a girl geek. The Fangirl's Guide to the Galaxy is the ultimate handbook...

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Wonder Women
Wonder Women

By Sam Maggs

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A fun and feminist celebration of the forgotten women in science, technology, and beyond—from the bestselling author of The Fangirl’s Guide to the Galaxy.You may think you know women&rs...

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Jem and the Holograms
Jem and the Holograms

By Sophie Campbell

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Girl Squads
Girl Squads

By Sam Maggs Illustrated By Jenn Woodall

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A fun and feisty tour of famous girl BFFs from history who stuck together and changed the world.Spanning art, science, politics, activism, and sports, these 20 diverse profiles show just how essent...

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Marvel action capitana marvel. gatastrofe cosmica
CAPITANA MARVEL 02 EMPEQUEA ECIDA

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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.

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