Sherry L. Willis Books

Human development and behavior

By Jere E. Brophy

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Handbook of the Psychology of Aging

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Life in the Middle: Psychological and Social Development in Middle Age

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Maintaining Professional Competence

By Sherry L. Willis

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Adult Development and Aging

By K. Warner Schaie, Sherry L. Willis

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Societal mechanisms for maintaining competence in old age

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In this interdisciplinary volume, renowned researchers examine how societal mechanisms and social support systems enable individuals to continue leading independent lives within their communities o...

Adult Development and Aging Cram101 Textbook Outlines Textbook NOT Included

By Willis, K. Warner Schaie

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Maintaining Professional Competence

By Sherry L. Willis

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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.