Kees De Boer Books

Mijn lievelingsdier is gebraden kip

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Bella, Step, Dikkie en Camiel wonen in een supermoderne stad. Ze reageren op een oproep voor proefpersonen en belanden zo in allerlei avonturen die met eten te maken hebben. Vanaf ca. 8 jaar.

Mijn grote monsterfeest

By Kees De Boer

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Verhalen en versjes over stoute, lieve, gekke, vrolijke, enge en luidruchtige monsters. Voorlezen vanaf ca. 5 jaar, zelf lezen vanaf ca. 8 jaar.

Het wonderlijke winterboek 20 hartverwarmende voorleesverhalen over de winter

By Chariva, Marloes Kemming, Ron Schroder, Jette Schroder, Kelly Van Kempen, Lysette Van Geel, Iris Boter, Pamela Sharon, Sjoerd Kuyper, Isabelle De Ridder, Elle Van Lieshout, Yvon Jaspers, Karine Jekel, Erik Van Os, Marianne Busser, Lisa Manuels, Annemarie Bon, Carry Slee, Kees De Boer, Coco Van Rijn, Elisabeth Mollema, Pieter Feller

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Agent en Boef Lol in de lucht

By Kees De Boer, Tjibbe Veldkamp

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But First I Caught a Monster

By Kees De Boer, Tjibbe Veldkamp

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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.