George E. Vaillant Books

Triumphs of Experience

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At a time when people are living into their tenth decade, the longest longitudinal study of human development ever undertaken offers welcome news for old age: our lives evolve in our later years an...

The natural history of alcoholism revisited

By George E. Vaillant

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The Natural History of Alcoholism Revisited

By George E. Vaillant

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The wisdom of the ego

By George E. Vaillant

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Something horrible happens, and our minds play tricks on us, tell us that it never happened, occurred differently than it did, isn't quite what it seems. Such trickery, George Vaillant tells us, is...

Triumphs of experience

By George E. Vaillant

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At a time when many people around the world are living into their tenth decade, the longest longitudinal study of human development ever undertaken offers some welcome news for the new old age: our...

Adaptation to Life

By George E. Vaillant

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Triumphs of Experience

By George E. Vaillant

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Triumphs of Experience

By George E. Vaillant

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Adaptation to Life

By George E. Vaillant

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How Fathers Care for the Next Generation

By George E. Vaillant, John Snarey

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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.