Cate Holahan Books

One Little Secret

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A USA TODAY Bestseller “A psychological thriller that will keep you up all night...Get ready.”—Good Morning America Part locked-room mystery, part domestic thriller, this gossipy,...

Young Rich Widows

By Vanessa Lillie, Cate Holahan, Layne Fargo

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Dark Turns

By Cate Holahan

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Set in the ruthlessly competitive world of elite boarding schools, this debut psychological thriller reads like a cross between Black Swan and Donna Tartt's The Secret History A rising star in...

The Widower's Wife

By Cate Holahan

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USA Today Bestseller ONE OF KIRKUS’ BEST BOOKS OF THE YEAR A cruise ship tragedy leaves behind a sea of secrets—and hints of foul play—in “one of those rare thrillers that...

One Little Secret

By Cate Holahan

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USA Today Bestseller One of Bustle’s “New Books Set At the Beach To Read When You Can’t Be There Yourself” One of Bustle’s “12 Books Like Knives Out For Fan...

Lies She Told

By Cate Holahan

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A BOOK OF THE MONTH CLUB SELECTIONFrom the USA Today–bestselling author of The Widower’s Wife comes an electrifying psychological thriller of love and deceit, where the t...

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.