A number of people have written to ask me about SciPy and NumPy support for IronPython 2.7. It looks like there is finally a working solution for this problem and you can read about it on my blog at http://blog.johnmuellerbooks.com/201...python-27.aspx. I've tested this solution with the latest version of IronPython as of this writing, 2.7.3. Make sure you keep up with this and other Professional Iron Python book updates on my blog at http://blog.johnmuellerbooks.com/cat...ronpython.aspx. Please continue to let me know about any issues you have with my book at [email protected].