Liana Romulo Books

Filipino Friends

By Liana Romulo, Corazon Dandan Albano

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My First Book of Tagalog Words

By Liana Romulo, Jaime Laurel

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Filipino Celebrations

By Liana Romulo, Corazon Dandan Albano

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Filipino children's favorite stories

By Liana Romulo

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"A collection of well-loved myths and tales from the Philippines. Many of the tales have been told by mothers to children over the centuries and cover classic childhood themes, such as the forces o...

Filipino children's favorite stories

By Liana Romulo

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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.