Trina Robbins Books

The Maltese mummy

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As the founders of the Chicagoland Detective Agency, a haiku-writing girl and a boy with a talking dog have more than enough cases on their hands (and paws) when a friend vanishes, a mummy's amulet...

Night of the living dogs

By Trina Robbins

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When Megan, Raf, and talking dog Bradley get their first real case, they find themselves tracking an puppy that is not as adorable as it seems, and trying to end an ancient curse.

Girl Comics The Women Of Marvel

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Nell Brinkley and the New Woman in the Early 20th Century

By Trina Robbins

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"The art and commentary of Nell Brinkley (1886-1944) ran in American newspapers from 1907 through the 1930s. At the height of her popularity, "The Brinkley Girl" appeared in the Ziegfeld Follies an...

The Big Flush 04

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Won t Back Down

By Trina Robbins

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The Great Women Superheroes

By Trina Robbins

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Louisa May Alcott

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Western Classics

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Eight stories and poems of pioneer days on the American frontier. Presented with comic-book style art.

Jewish Comix Anthology

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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.