Barbara Gottfried Hollander Books

Booms bubbles and busts

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This series aims to introduce and familiarise students with the basics of the world financial system. From economic basics and stocks, shares and other investments, to globalisation and the economi...

Money matters

By Barbara Gottfried Hollander

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Henry the Great s First Adventure

By Barbara S. Hollander

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Thinking About College

By Annalise Silivanch, Barbara Gottfried Hollander, Maria Dasilva Gordon

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How currency devaluation works

By Barbara Gottfried Hollander

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Explains currency devaluation, its causes, and its effects.

The Next Big Thing

By Barbara Gottfried Hollander

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Your Economic Future

By Jason Porterfield, Philip Wolny, Terry Teague Meyer, Barbara Gottfried Hollander, John Strazzabosco

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Ellen DeGeneres

By Barbara Gottfried Hollander

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Que Son Los Ahorros y Gastos

By Barbara Gottfried Hollander, Barbara Hollander, Maria Ana

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Harvey Milk

By Barbara Gottfried Hollander

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Harvey Milk dreamed of a better tomorrow filled with love and equal rights for all. In 1977, Milk was elected to San Francisco's Board of Supervisors, only to be assassinated less than a year after...

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.