Tom Leonard Books

Intimate Voices: Selected Works, 1965-83

By T. Leonard, Tom Leonard

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140p. : 20cm

Scientific Inference, Data Analysis, and Robustness

By George E. P. Box

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The Incredible Crab Alphabet Book

By Tom Leonard Jerry Pallotta

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Discovering Jupiter

By Melvin Berger

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A course in categorical data analysis

By Leonard Thomas

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"Although t-tests, linear regression, and analysis of variance are useful, valid methods for analysis of measurement data and categorical data require a different methodology and techniques typical...

If onlyBunty was here

By Tom Leonard

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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.