Helen Hoang Books

The Bride Test

By Emily Woo Zeller, Helen Hoang

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El test del amor

By Maria Celina Rojas, Helen Hoang

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From the author of The Bride Test comes a romance novel hailed as one of The Washington Post’s 50 Notable Works of Fiction in 2018 and one of Amazon’s Top 100 Books of 2018!“This is such a fun read...

The Bride Test

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From the USA Today bestselling author of The Kiss Quotient comes a romantic novel about love that crosses international borders and all boundaries of the heart...Khai Diep has no feelings. Well, he...

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.