Willis Harman Books

Global Mind Change

By Willis W. Harman

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Higher Creativity

By Willis Harman

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Insight is the mind’s magic in action, solving problems, understanding relationships, creating new images—with a speed and certainty unavailable to ordinary consciousness. Breakthrough...

Operation Redemption

By Willis W. Harman, George Trevelyan

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New Metaphysical Foundations of Modern Science

By Willis W. Harman

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Biology revisioned

By Willis W. Harman

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Biology Revisioned presents a look at the changing state of biology and proposes that we reconsider our views of science and life. Harman and Sahtouris suggest that it is an historical accident tha...

The soul of business

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The New Business of Business

By Maya Porter, Willis Harman

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"The business of business is business!" For many years, this credo, articulated by General Motors President Alfred T. Sloan, Jr., in 1923, has justified virtually every decision made in the busines...

An Incomplete Guide to the Future

By Willis Harman, Willis W. Harman

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El cambio de mentalidad

By Willis Harman, Carmen E. Leon Perez

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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.