Doreen Poster Books

Teacher Appraisal: A Guide To Training

By C. D. Poster, Doreen Poster, Cyril Poster, Maurice Benington

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The first edition of Teacher Appraisal offered a comprehensive and practical guide to what has become a key area in educational management in the UK. The second edition has been substantially updat...

Teacher Appraisal: Training And Implementation

By C. D. Poster, Doreen Poster, Cyril Poster

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This second edition of the Posters' highly successful guide to teacher appraisal has been substantially updated to include the definitive Department For Education (DFE) regulations and guidelines w...

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.