Marni Mann Books

When Ashes Fall

By Ava Erickson Aiden Snow Teddy Hamilton, Marni Mann

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The Lawyer

By Kelsey Navarro, Tim Paige, Marni Mann

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It was supposed to be a typical work trip. New York to San Francisco, window seat, exit row. Maybe a mimosa. Then, seat 14B sat down. When our eyes met, the flight became anything but routine. I co...

Negotiated

By Marni Mann

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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.

Marni Mann Books

When Ashes Fall

Seductive Shadows

Unblocked Episode Two

Sinner

Playboy

Mr. Hook Up

Mr. Wicked

The Lawyer

Before You

Negotiated

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

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