Privacy Policy


We have the very intent on protecting the personal data of our users and inform you through this privacy policy on the treatment of it.


BTwinBooks reserves the right to amend this privacy policy to conform to legal or jurisprudential developments. In such cases the changes will be posted on this page, and the user irrefutably notified, with reasonable notice before implementation. The use of our services, once communicated, will constitute your acceptance of them.


Aplicable law


BTwinBooks complies in the processing of personal data from its users with the current legislation in Spain and the European Union, in particular with the Data Protection Act and its implementing regulations. For this, it places the necessary technical and organizational measures to prevent the loss, misuse, alteration, unauthorized access and theft of personal data provided, given the state of technology, the nature of the data and the risks they are exposed to.



BTwinBooks has adopted the security levels of protection of personal data required by implementing regulation of Law 15/1999, on protection of personal data (Royal Decree 1720/2007). Also, we try to install any other ways and additional technical measures to prevent the loss, misuse, alteration, unauthorized access and theft of personal data provided.

Data collection


BTwinBooks collects you email and name if you register on the BTwinBooks Newsletter or you fill in the contact form.


The data will be stored in a personal data file which is the responsibility of BTwinBooks and is duly registered at the Spanish Agency Data Protection Spanish Agency. The communication of personal data implies the acceptance of the User to its inclusion in the automated file.

BTwinBooks will use your personal data in order to keep you informed about the improvement and updating of the services.


BTwinBooks will not assign the personal data you have provided to any third party, except where such assignment has been expressly consented by you.


To exercise your rights of access, rectification, opposition or cancellation, please send an email to




BTwinBooks site is owned by BTwinBooks S.L., with its professional address at Calle Explanada, nº 8 Bajo, Madrid (28040) Spain, and with CIF (fiscal) number B-86719077. Email





To make this site work properly, we sometimes place small data files called cookies on your device. Most big websites do this too.


What are cookies?


A cookie is a small text file that a website saves on your computer or mobile device when you visit the site. It enables the website to remember your actions and preferences (such as login, language, font size and other display preferences) over a period of time, so you don’t have to keep re-entering them whenever you come back to the site or browse from one page to another.


How do we use cookies?


A number of our pages use cookies to remember:

If you have agreed (or not) to our use of cookies on this site.

We use Google Analytics to supply statistical information on website access and usage.

Enabling these cookies is not strictly necessary for the website to work but it will provide you with a better browsing experience. You can delete or block these cookies, but if you do that some features of this site may not work as intended.


The cookie-related information is not used to identify you personally and the pattern data is fully under our control. These cookies are not used for any purpose other than those described here.


How to control cookies


You can control and/or delete cookies as you wish — for details, see You can delete all cookies that are already on your computer and you can set most browsers to prevent them from being placed. If you do this, however, you may have to manually adjust some preferences every time you visit a site and some services and functionalities may not work.