Terms of sale.

This translation is provided for convenience. If there is any discrepancy, the Spanish version prevails. Spanish version →

Product and price

Derinkuyu. The engineering of disappearing: a 30-page PDF with a personal-use licence, available in Spanish. Advertised price: €6.99. The final amount and tax treatment are displayed in Payhip before payment confirmation.

Purchase and delivery

The transaction and payment take place through Payhip. After successful payment, you can download the file and receive a download link by email. Keep your receipt. For assistance: hola@aeternastudios.es.

Permitted use

You may read the file on your devices. Public sharing, resale and redistribution are not authorised. Please request a licence for other uses.

Withdrawal and conformity

Immediate supply of digital content can exclude the right of withdrawal only when legal requirements are met, including your prior express consent and acknowledgement that you lose that right. Otherwise, applicable rights remain in place. This does not limit your rights if a file is defective or non-conforming.

Complaints

Email us with your order details and a description of the issue. The rights set out in the following legislation apply: Spanish Royal Legislative Decree 1/2007.