Trina Robbins Books

Lindsay (GoGirl!) Goldman, Doc, the school genius, and Heather, a snotty cheerleader, all get dragged to the Jurassic era when Heather activates Doc's secret time machine. Now the girls have to dea...

Go Girl Volume 2

By Trina Robbins, Anne Timmons

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Go Girl Vol. 2 Robots Gone Wild

By Trina Robbins, Anne Timmons

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Pretty in ink

By Trina Robbins

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A revised, updated and rewritten history of women cartoonists, with more color illustrations than ever before, and with some startling new discoveries (such as a Native American woman cartoonist fr...

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.