Cornelsen.de Codes Info

A used textbook on eBay might cost €10. A new textbook with an unused Cornelsen code costs €28. Once the code is scratched off and entered, the book’s resale value drops to nearly zero. The code is single-use.

"The code is the bridge," says Markus Weber, a secondary school teacher in Berlin (not his real name, due to privacy). "Before, I had to photocopy answer keys or buy extra CDs. Now, I tell the class to type in the code, and the homework corrects itself instantly. It saves me about five hours a week." But the little code has a dark side. cornelsen.de codes

For the family sharing a single laptop, or the student with a destroyed sticker, it is a barrier erected by a corporation. A used textbook on eBay might cost €10

It happens every September. A student raises a hand. "Herr Weber, I have the book, but my little brother drew a dinosaur on the code sticker and now I can't read the last three letters." The code is single-use