Katherine Locke Books

This truly epic adaptation of Kieron Gillen’s Loki series spans the nine realms as the reborn trickster struggles to walk the hero’s path and save the universe from an epidemic of fear....

Loki: Journey Into Mystery prose novel

By Titan Books

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This truly epic adaptation of Kieron Gillen’s Loki series spans the Nine Realms as the reborn trickster struggles to walk the hero’s path and save the universe from an epidemic of fear....

This Rebel Heart

By Katherine Locke

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A tumultuous tale of the student-led 1956 Hungarian revolution—and an all too timely look at the impact of Communism and the USSR in Eastern Europe—set in a fabulist, colorless post-WWI...

This Is Our Rainbow

By Nicole Melleby, Edited By Katherine Locke

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The first LGBTQA+ anthology for middle-graders featuring stories for every letter of the acronym, including realistic, fantasy, and sci-fi stories by authors like Justina Ireland, Marieke Nijkamp,...

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.