Martha E Schaaf Books

Duke Ellington: Young Music Master

By Martha E Schaaf, Martha E. Schaaf, Fred M. Irvin

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200 p. : 20 cm A biography stressing the childhood of a talented musician who helped shape American music Bibliography: p. 198

Lew Wallace: Boy Writer

By Patrick Girard, SCHAAF, Martha E, LAWLOR, Martha E Schaaf

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Lew Wallace: Boy Writer

By Patrick Girard, SCHAAF, Martha E, LAWLOR, Martha E Schaaf, Martha E. Schaaf

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Lew Wallace, Boy Writer

By Cathy Morrison, Martha E Schaaf, Written By Martha E. Schaaf

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The world-famous novel of ancient times, Ben Hur: A Tale of the Christ, was written by Lew Wallace, who grew up in the early 1800s roaming the fields and streams of Indiana. Young readers will meet...

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.