theirbadspeller·5 ปีที่แล้ว·discussReadEra is an excellent piece of polished software that has everything I want in an e reader and is a joy to use. I would highly recommend using the free version, and then buying the premium to support the developer.
theirbadspeller·6 ปีที่แล้ว·discussSerious cryptography is one of the best textbooks I have ever read.