Samuel J. Rogal Books

"This comprehensive work begins by discussing several notable military school founders. Other topics include: notable military school faculties and administrators; curricular changes and innovation...

Congregational hymns from the poetry of John Greenleaf Whittier

By Samuel J. Rogal

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"This book compares Whittier's original published texts with those versions that were adapted as hymns, exhibiting the hymnodic elements of his poetry and allowing the reader to observe the methods...

Congregational Hymns from the Poetry of John Greenleaf Whittier

By Samuel J. Rogal

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American Pre college Military School

By Samuel J. Rogal

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Magazine Illustrators of Sinclair Lewis s Short Fiction

By Samuel J. Rogal

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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.