The New York Public Library Books

Presents questions and answers relating to important periods in African American history including the Revolution, Civil War, Reconstruction, Migration, and the Civil Rights Movement.

The New York Public Library Amazing Native American History

By Liz Sonneborn, New York Public Library.

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Questions and answers present information on the history and culture of various Native American tribes.

The New York Public Library amazing scientists

By Jim Callan

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Discover the moons of Jupiter with Galileo. Uncover the science of radiation with Madame Curie. Travel forward in time with Einstein. Find out how scientists learned to cure diseases, how they disc...

The New York Public Library Amazing Explorers

By Brendan January, New York Public Library.

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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.