Betty Comden Books

On the Twentieth Century French s musical library

By Cy Coleman, Betty Comden

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A doll's life

By Grossman Larry.

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A doll's life

By Grossman Larry.

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Singin in the Rain The MGM library of film scripts

By MGM Library, Betty Comden

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With her lifelong collaborator, Adolph Green, Betty Comden has enjoyed the kind of glory known only to the greatest of Broadway and Hollywood's luminaries. Their many successes as lyricists were wr...

Bells Are Ringing

By Betty Comden, Adolph Green

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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.