Ivan Robertson Books

Well-being: Productivity and Happiness at Work

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High levels of psychological well-being amongst employees translate into good news for the organization, including lower sickness-absence levels, attraction and retention of talented people, and mo...

Work Psychology: Understanding Human Behaviour in the Workplace

By Fiona Patterson, Joanne Silvester, Bernard Burnes, Arnold John, Ivan Robertson, Cary L. Cooper

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xxv, 718 p. : 27 cm

The theory and practice of systematic personnel selection

By Mike Smith

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Theodore and the stormy day

By Ivan Robertson

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Theodore Tugboat helps rescue Brunswick Barge when he is stranded in a storm.

Theodore's Birthday Surprise

By Random House, Ivan Robertson

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Theodore Tugboat is afraid everyone has forgotten that today is his birthday.

Jack and the Leprechaun

By Ivan Robertson

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Jack the mouse goes to visit his cousin in Ireland on St. Patrick's Day, and spends the day trying to catch a leprechaun.

Theodore and the Tall Ships

By Ivan Robertson

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Theodore the tug has a busy day welcoming the huge tall ships from countries all over the world to Big Harbor.

Theodore and the stormy day

By Ivan Robertson

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Theodore Tugboat helps rescue Brunswick Barge when he is stranded in a storm.

The Psychology of Personnel Selection

By Dominic Cooper, Ivan Robertson

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The Psychology of Personnel Selection

By Dominic Cooper, Cooper Dominic, Ivan Robertson

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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.