As an addition to the symmetric diminished scale that I posted a while back. Here is a dedicated pdf on the scale by the great Don Mock.Do archive these books and follow up on them while I post related stuff. It will make the learning way cooler and easier. The work has to be done on a regular basis and it will show great results.
https://docs.google.com/open?id=0B5qJqMU7g1nHSzVGWHowU244ajg