Thomas Hoobler Books

Surveys the concept of the right of privacy, its history, the laws protecting it, the effects of computers and other technological developments, and the conflict of rights in such issues as nationa...

Nelson and Winnie Mandela

By Dorothy Hoobler

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Presents the lives and careers of the imprisoned leader of the African National Congress and his wife, an activist in the struggle for black majority rights in South Africa.

Mandela

By Dorothy Hoobler, Thomas Hoobler

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A biography of South African human rights activist, Nelson Mandela.

Mandela

By Dorothy Hoobler, Thomas Hoobler

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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.