The natural starting point is the Greek alphabet. Transliteration is the process of representing a Greek word with the English alphabet. Most books refer to Greek words with their transliteration.
Downloads
Lesson
Read Greek for the Rest of Us, Chapter 2, pages 6–10.
Watch the lecture on the alphabet (free)
Watch the screencast on the alphabet (free)
This screencast is from the second edition of Greek for the Rest of Us
Homework
Pages 3 – 8 in the workbook