Douglas F. Davis Books

There's an Elephant in the Garden

By Douglas F. Davis, Gladys Rockmore Davis

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The adventures of a little girl and her cat as they hunt rogue elephants in the family garage.

The lion's tail

By Douglas F. Davis

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Given the gift of cattle by the gods, the Masai tribe must outwit the lions on the Serengeti Plain who also want the cattle.

The white redwoods

By Douglas F. Davis

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The white redwoods

By Douglas F. Davis

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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.