Aline D. Wolf Books

"This handbook is for parents, teachers or any other adults who want to experience the delight of introducing beautiful paintings to young children. It describes a postcard-size art project ... ada...

Andy and his daddy

By Aline D. Wolf

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Shows two-year-old Andy and his father sharing in everyday activities which develop the natural experience of bonding between them.

A parents' guide to the Montessori classroom

By Aline D. Wolf

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A guide to the Montessori classroom.

How to Use Child Size Masterpieces

By Aline Wolf

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Nurturing the spirit in non-sectarian classrooms

By Aline D. Wolf

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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.