PRIVACY

Only the information needed to sell and deliver the book.

This notice explains the limited information handled when you visit the site, buy the book, or ask for support.

What is processed

Stripe processes payment and checkout information. Resend sends transactional delivery emails. Vercel hosts the website and may process standard request, security, and aggregate performance data. Full card details are not received or stored by this site.

Why it is used

Order information is used to complete payment, deliver protected download links, prevent abuse, provide support, and process refunds. It is not sold.

Questions

Email book@admin.sirency.com.

Effective July 14, 2026.