Nicole Andelfinger Books

The Wakefield twins return in this graphic novel adaptation of the New York Times best-selling Sweet Valley Twins series! It's Elizabeth's turn in the spotlight... but does Jessica deserve it...

Sweet Valley Twins: Teacher's Pet

By Claudia Aguirre, Nicole Andelfinger, Francine Pascal

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The Wakefield twins return in this graphic novel adaptation of the New York Times best-selling Sweet Valley Twins series! It's Elizabeth's turn in the spotlight... but does Jessica deserve it...

Sweet Valley Twins: Teacher's Pet

By Claudia Aguirre, Nicole Andelfinger, Francine Pascal

Average: 0.00, 0 Ratings

The Wakefield twins return in this graphic novel adaptation of the New York Times best-selling Sweet Valley Twins series! It's Elizabeth's turn in the spotlight... but does Jessica deserve it...

Sweet Valley Twins: The Haunted House

By Nicole Andelfinger, Knack Whittle, Francine Pascal

Average: 0.00, 0 Ratings

NEW YORK TIMES BESTSELLER • There's a new girl in Sweet Valley...and she's a witch?! Join twin sisters Jessica and Elizabeth as they discover if the rumors match reality in this all new g...

Sweet Valley Twins: The Haunted House

By Nicole Andelfinger, Knack Whittle, Francine Pascal

Average: 0.00, 0 Ratings

NEW YORK TIMES BESTSELLER • There's a new girl in Sweet Valley...and she's a witch?! Join twin sisters Jessica and Elizabeth as they discover if the rumors match reality in this all new g...

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.