What are cookies?

Cookies are small text files stored on your device. They help websites remember preferences, keep sessions secure, and understand how pages are used.

How we use cookies

• Essential — authentication, security, and load balancing.
• Preferences — remembering UI choices such as billing toggle state on marketing pages.
• Analytics — aggregated usage insights to improve the site (where enabled).

Managing cookies

Most browsers let you block or delete cookies. Blocking essential cookies may affect login and core functionality. For questions, email info@tecbooks.online.