Robert E. Gilbert Books

The mortal presidency

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The presidency is hazardous to your health. Fully two-thirds of our presidents have died before reaching their life-expectancy - despite being wealthier, better educated, and better cared for than...

The Mortal Presidency: Illness and Anguish in the White House

By Robert E. Gilbert

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Thy Rocks and Rills Annotated

By Robert E. Gilbert

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Thy Rocks and Rills

By Robert E. Gilbert

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Thy Rocks and Rills

By Robert E. Gilbert

Average: 0.00, 0 Ratings

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.