Robert Lopez Books

Sleeping Fish

By Robert Lopez, Derek White

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Frozen

By Robert Lopez, Christophe Beck, Kristen Anderson Lopez

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1 vocal score (78 pages) : 31 cm

Frozen 2 Piano Vocal Guitar Songbook

By Robert Lopez, Kristen Anderson Lopez

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The only official companion book to the Tony Award winner for Best Musical from the creators of South Park and the co-creator of Avenue Q. Features the complete script and song lyrics, with 4-color...

21 things you need to know about diabetes and weight loss surgery

By Scott A. Cunneen

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"According to recent statistics from the Centers for Disease Control and Prevention (CDC), 34.9 percent or 78.6 million U.S. adults are obese. In addition, about 17 percent, or 12.7 million U.S. ch...

Good people

By Robert Lopez

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Le bonheur perdu des exclus

By Robert Lopez

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The Book Of Mormon

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Asunder

By Robert Lopez

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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.