Tjibbe Veldkamp Books

Tom's father is afraid of animals. Butterflies, snails, squirrels--they alarm him so much, he won't even come out of the house. Tom decides to take drastic measures and heads to the pet shop. First...

L excursio

By Philip Hopman, Tjibbe Veldkamp

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De lachaanval

By Tjibbe Veldkamp

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Wtp My First Wtp Books in Box

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Boef in de schoen

By Tjibbe Veldkamp

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Tijn wil indruk maken op zijn vriendin Toos. Hij bouwt een val om boeven te vangen. Dat mislukt steeds. Sinterklaas komt Tijn helpen. AVI-E3. Vanaf ca. 6 jaar.

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.