Marcia Muller Books

Point Deception

By Marcia Muller

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The Web she weaves

By Marcia Muller, Bill Pronzini

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Leave a message for Willie

By Marcia Muller

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The Cheshire cat's eye

By Marcia Muller

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The spook lights affair

By Marcia Muller

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"In 1895 San Francisco young debutantes don't commit suicide at festive parties, particularly not under the eye of Sabina Carpenter. But Virginia St. Ives evidently did, leaping from a foggy parape...

Leave a messagefor Willie

By Marcia Muller

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The cavalier in white

By Marcia Muller

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The cavalier in white

By Marcia Muller

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The Cheshire cat's eye

By Marcia Muller

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Cape Perdido

By Marcia Muller

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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.