Mikal Keefer Books

My Faith Journal II

By Alyssa Mooney, Debbie Gowensmith, Mikal Keefer

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Christian Character Development Series

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Five-star stories from all-star youth leaders

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Who Am I Really Christian Character Development

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Instant Puppet Skits

By John Robert Cutshall, Mikal Keefer

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Ready for something new

By Mikal Keefer

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Two fishermen brothers live in a house built on a sturdy rock until one of them decides he wants a new life and a new house nearer the sea. Based on Jesus' parable of the wise and foolish builders.

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.