William Vivian Butler Books

The Young Detective's Handbook

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Introduces aspiring detectives to the fundamentals of criminal investigation. Includes games and activities to develop skill in fingerprinting, interpreting clues, organizing investigations, making...

The Young Detective's Handbook

By William V. Butler

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The Kid Detective's Handbook and Scene-Of-The-Crime Kit

By William Vivian Butler

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Scare power.

By William Vivian Butler

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The greatest magicians on earth

By William Vivian Butler

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The lie witnesses

By William Vivian Butler

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Clampdown

By William Vivian Butler

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John Creasey s The Toff and the dead man s finger

By William Vivian Butler

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Winston Churchill

By William Vivian Butler

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Gideon s Force

By John Creasey

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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.