Lewis Schiff Books

Business Brilliant: Surprising Lessons from the Greatest Self-Made Business Icons

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Combines storytelling with research and practical guidance to shatter commonly held myths about wealth and identifies the seven distinct principles practiced by successful individuals.

The Influence of Affluence

By Lewis Schiff, Russ Alan Prince

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The Armchair Millionaire

By Douglas Gerlach, Lewis Schiff

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The Armchair Millionaire

By Douglas Gerlach, Lewis Schiff

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The A to Z Money Book from Armchair Millionaire

By Lewis Schiff

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The Middle Class Millionaire

By Russ Alan Prince, Lewis Schiff

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Armchair Millionaire

By Douglas Gerlach, Lewis Schiff

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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.