Kristi Holl Books

Girlz Rock: Devotions for Girls

By Kristi Holl

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Shine On, Girl!: 90-Day Devotional

By Kristi Holl, Jennifer Vogtlin

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What's a Girl to Do?: 90-Day Devotional

By Kristi Holl

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Poisoned

By Kristi Holl

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When some of the girls in Jeri's boarding school dorm start getting sick she thinks that they might have been intentionally poisoned and sets out to investigate and prove her theories.

First Things First

By Kristi D. Holl

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Cast a Single Shadow

By Kristi D. Holl

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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.