Peter De Schepper Books

Brain Twisters, Mind Benders, and Puzzle Conundrums

By Frank Coussement Author Peter De Schepper Author

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These are brain games at their very best—and it’s no puzzle why! The BrainSnack® brand guarantees to train your brain, enhancing logic, imagination, creativity, and memory. This vi...

Brain Busting, Mind Twisting, IQ Crushing Puzzles

By Frank Coussement Author Peter De Schepper Author

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Every puzzle in this book was selected to give you the greatest challenge and the most fun. They will twist and test your logic, challenge your IQ, stump your eyes, and force you to think harder th...

Eye popping puzzles

By Frank Coussement

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BrainStrains Eye-Popping Puzzles

By Keith Kay, Frank Coussement, Peter De Schepper

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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.