web analytics

Support this website

As we will now be offering all our books for free via PDFs, we would appreciate it if those who like our books would contribute to keeping us working hard. In addition to PayPal, we also have Bitcoin and Monero accounts:

 

Bitcoin: 3DwpjCaGwycbeQB554h99ej5eLyMYRHcxf

Monero: 47r35PSQCusfRPPXE8nngVP mfWenWsb9KJJwhBtmVMzF Gv1JjTs6znuXJErURnyNKA7 Q3CgpwjGm8goHwAEpPgTx Dc2EnHa