VaDonna Jean Leaf Books

Willie Wilson's wonderful watermelon.

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When one of his watermelons grows so big that it blocks the door of his house, Willie Wilson and his neighbors make a tunnel through the watermelon by eating as much as they can.

A father for Jason

By VaDonna Jean Leaf

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Robbie and the stolen minibike

By VaDonna Jean Leaf

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A confused, rebellious teenager, who lives with his crippled grandfather, discovers what it means to be part of God's family.

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.