Leila Hadley Books

The Best Spas

By Theodore B. Van Itallie, Leila Hadley, Theodore M.D. Van Itallie

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The Best Spas

By Leila Hadley, Theodore M.D. Van Itallie

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Give Me the World

By Leila Hadley

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"Leila Hadley, twenty-five years old, divorced, restless and bored with her successful New York career, sets off for the Far East with her six-year-old son, Kippy, for an adventure that would last...

Traveling with children in the USA

By Leila Hadley, Lelia Hadley

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Fielding's guide to traveling with children in Europe.

By Leila Hadley

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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.