The Logix Tutorial, covering Standard Logix, language extension, using Logix from Python and Logix-Test, the unit-testing framework.
(Formatted 12pt type suitable for two-pages-per-sheet printing.)
The slides from a one-hour presentation on Logix, aimed at a Python user-group. The real presentation is interspersed with many examples, so the slides by themselves are rather lacking.
Available in cross platform PowerPoint format: