David Tunkin Books

Where Do All the Puddles Go Rigby Star

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Rigby Star Guided Quest Orange

By David Tunkin

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Rigby Star Guided Quest Yellow From Seedling To Tree

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Hide and seek

By David Tunkin, Mini Goss

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Literacy focus: vocabulary, vowel digraphs, initial consonant digraphs, word endings, compound words, following steps in a process, using prior knowledge, using illustrations to understand text. So...

Hot and cold

By David Tunkin

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Introduces the concept of hot and cold by looking at different kinds of foods.

New clothes

By David Tunkin

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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.