Michael Robertson Books

The last utopians

By Michael Robertson

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I like my car

By Michael Robertson

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The rhino loves his red car which just happens to have a rhino-horn hood ornament. And the alligator loves her green car that has sharp teeth and spikes just like hers! The shark s car has a fin an...

Walt Whitman s spiritual epic

By Michael Robertson

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Walt Whitman's celebrated 1855 poem "Song of Myself" was an astonishing new poetic venture in its language and style as well as in the values and spirituality it expressed. The poet, Whitman believ...

Super Little Giant Book of Undersea Creatures

By David Lambert, Diagram Visual

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The Official Mp3.Com Guide to Mp3

By Ron Simpson, Michael Robertson

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The Blind Spot

By Michael Robertson

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Dark Vacancy

By Michael Robertson Jr

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The Girl in the Woods

By Michael Robertson

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My Very Favorite Book In the Whole Wide World

By Michael Robertson

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Moriarty returns a letter

By Michael Robertson

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"Michael Robertson has delighted mystery readers and Sherlock Holmes aficionados everywhere with his charming and innovative Baker Street mystery series, where brothers Reggie and Nigel Heath are c...

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.