Leuyen Pham Books

With warmth and humor, Archbishop Desmond Tutu distills his philosophy of unity and forgiveness into a picture book for the very young.Archbishop Desmond Tutu has a vision of God's dream, which he...

Love Is Powerful

By Heather Dean Brewer Illustrated By LeUyen Pham

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A little girl carries a big message—and finds it thrillingly amplified by the rallying crowd around her—in an empowering story for the youngest of activists.Mari raised her sign for eve...

The Princess in Black and the Giant Problem

By Shannon Hale, Dean Hale Illustrated By LeUyen Pham

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With a noisy giant crashing around the kingdom, the Princess in Black uses the Sparkle Signal to call ALL her heroic friends together - for the biggest adventure yet.The Princess in Black is ready...

Princess in Black and the Mermaid Princess

By Dean Hale, Shannon Hale, Leuyen Pham

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Princess in Black and the Science Fair Scare

By Dean Hale, Shannon Hale, Leuyen Pham

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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.