Christopher Hertzog Books

Memory Change in the Aged

By Christopher Hertzog, Brent J. Small, Roger A. Dixon, David F. Hultsch

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Do memory abilities decline with aging? Are changes in memory universal or differential? Do they occur similarly or differentially for all types of memory and to all aging persons? These are some o...

Oxford Handbook of Emotion Social Cognition and Problem Solving in Adulthood

By Christopher Hertzog, Paul Verhaeghen

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Memory Change in the Aged

By Christopher Hertzog, Brent J. Small, Roger A. Dixon, David F. Hultsch

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Laminine YTE

By Christopher Hertzog

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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.