Michael Aaron Rockland Books

"Jews have called New Jersey home since the late seventeenth century - and they currently make up almost 6 percent of the state's residents. Yet, until now, no book has paid tribute to the richness...

A bliss case

By Michael Aaron Rockland

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Navy crazy

By Michael Aaron Rockland

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"Navy Crazy is a different kind of war story depicting the backwardness of military medicine in the mid-1950s. A memoir of a young medical corpsman learning to survive on a locked psychiatric ward...

Stones

By Michael Aaron Rockland

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An American diplomat in Franco Spain

By Michael Aaron Rockland

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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.