Rebecca Stefoff Books

Describes the biological and psychological changes that occur during adolescence and examines social problems, questions, and adjustments that are part of the transition from childhood to adulthood.

Friendship and love

By Rebecca Stefoff

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Defines the different levels of friendship, love, and intimacy and discusses their role in leading a healthy life.

Adolescence

By Rebecca Stefoff

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Describes the biological and psychological changes that occur during adolescence and examines social problems, questions, and adjustments that are part of the transition from childhood to adulthood.

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.