Ellen Kaplan Books

The Art of the Infinite: Our Lost Language of Numbers
Chances Are . . .
Chances Are . . .

By Michael Kaplan, Ellen Kaplan

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A compelling journey through history, mathematics, and philosophy, charting humanity’s struggle against randomness Our lives are played out in the arena of chance. However little we recognize...

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Out of the Labyrinth: Setting Mathematics Free
The Art of the Infinite: The Pleasures of Mathematics
Out of the Labyrinth: Setting Mathematics Free
Chances Are . . .: Adventures in Probability
Prints, a collector's guide
Prints, a collector's guide

By Ellen Kaplan

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The Art of the Infinite
Life Skills Writing Book and Teacher s Guide
Out of the Labyrinth

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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.

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