David Reed Shaffer Books

Developmental Psychology (Eighth Edition) International Edition

By David, Shaffer, David R. Shaffer, Katherine Kipp, David Reed Shaffer

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This popular, topically organized, and thoroughly updated child and adolescent development text presents you with the best theories, research, and practical advice that developmentalists have to of...

Cengage Advantage Books: Developmental Psychology: Childhood And Adolescence

By David R. Shaffer, Katherine Kipp, David Reed Shaffer

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The text that you've known for accuracy, quality, and scholarship has been reborn into a new student-focused edition, featuring new pedagogy, a dynamic new design, and new student-oriented features...

Developmental Psychology

By David, Shaffer, David R. Shaffer, Katherine Kipp, David Reed Shaffer

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Developmental Psychology: Childhood And Adolescence

By David R. Shaffer, David R. Shaffer, David Reed Shaffer

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xxiii, 680 p. : 24 cm First ed. has subtitle: theory, research, and applications Includes bibliographies and indexes

Developmental Psychology: Childhood And Adolescence

By David R. Shaffer, David Reed Shaffer

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I.E. Dev Psychology 7e

By SHAFFER KIPP, Shaffer, David Reed Shaffer, KIPP

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Developmental Psychology

By David R. Shaffer, Eileen Wood, Teena Willoughby, David Reed Shaffer, Jada D. Kearns

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Learn developmental psychology the easy way with DEVELOPMENTAL PSYCHOLOGY: CHILDHOOD AND ADOLESCENCE! Written in a clear, concise language, this psychology text presents you with the best theories,...

Developmental Psychology

By David R. Shaffer, David Reed Shaffer

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Developmental Psychology Covers Development From Conception To Late Childhood (approximately Age 12). The Approach Is Topical (meaning It Will Look At One Topic From All Stages Of Development Befor...

Psychologia Rozwoju : Od Dziecka Do Dorosłości

By David Reed Shaffer

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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.