Jill Martin Books

Murder in the Fourth

By Jill Martin, Ruth Anne Whicher

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Pickleball Mindset

By Jill Martin, Dayne Gingrich

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Pickleball Mindset

By Jill Martin, Dayne Gingrich

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Jack or Maddie

By Jill Martin, Aubrey Martin

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The Weekend Makeover

By Jill Martin Dana Ravich

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Every woman has at some point felt overwhelmed, overworked, and overtired. She knows she'd feel better if she could just organize her office, get her butt to a yoga class, or finally plan that vaca...

I Have Nothing to Wear!

By Dana Ravich, Jill Martin

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You know the feeling: the anxiety, the dread, and the utter certainty that in spite of all of the options in the overcrowded closet before you, you have nothing to wear. The advent of discount reta...

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.