Ellen Leong Blonder Books

Every Grain of Rice: A Taste of Our Chinese Childhood in America

By Ellen Leong Blonder, Ellen Blonder, Annabel Low

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Dim Sum

By Ellen Leong Blonder, Ellen Blonder

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In Cantonese, “dim sum” means “touch the heart,” and Ellen Blonder’s charming celebration of China’s famed tea lunch does just that. More than sixty carefully cr...

The Lonely Snowman

By Ellen Leong Blonder

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THE VELVETEEN RABBIT LITTLE HA Little Hands on Books

By Ellen Leong Blonder

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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.