Ethel Cilfford Rosenberg Books

The year of the three-legged deer

By Ethel Cilfford Rosenberg

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Describes a year in the life of a white man and his Indian family on the Indiana frontier.

Search for the crescent moon

By Eth Clifford, Ethel Cilfford Rosenberg, Ethel Rosenberg

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In 1840 fifteen-year-old Tobias accompanies his grandfather on yet another search for the old man's twin sister kidnapped as a child by the Indians.

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.