Brett Paul Laursen Books

Relationship pathways

By Brett Paul Laursen, W. Andrew Collins

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"Research on adolescent relationships has rapidly expanded during the past decade. Keeping apace with research advances is a difficult challenge. Harder still is integrating the literature into a c...

Interpersonal Development

By Rita Zukauskiene, Brett Paul Laursen

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Relationships As Developmental Contexts

By Willard W. Hartup, Brett Paul Laursen, W. Andrew Collins

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Handbook of developmental research methods

By Brett Paul Laursen

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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.