Barbara Wasik Books

Kindergarten: Fours and Fives Go to School

By Carol Seefeldt, Barbara Wasik

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Home Visiting

By Barbara Wasik

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Celebrating 50 Years Of Child Development Research: Past, Present, And Future Perspectives

By Hunt, James B., Jr., Barbara Hanna Wasik, Samuel L. Odom, Barbara Wasik, Wa Kyendo

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For more than fifty years, the Frank Porter Graham Child Development Institute has conducted groundbreaking research that revolutionized the field of early childhood care and education. Based on pr...

Celebrating 50 Years of Child Development Research

By Barbara Wasik, Samuel L. Odom, Hunt James B. Jr.

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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.