TidBITS Publishing today announced the availability of its latest “Take Control” ebook. “Cutting edge Mac users can avail themselves of expert advice as they prepare for October 26th, the date that Apple has announced for the release of Mac OS X 10.5 Leopard. In the US$10 ‘Take Control of Upgrading to Leopard: Early-Bird Edition,’ author Joe Kissell walks readers through evaluating if their current Macs will run Leopard well, how to make a useful backup in case of installation problems, smart ways to clear disk clutter and unnecessary files, and whether they should rethink their partitioning scheme. Also included is a 5-page appendix loaded with direct links to backup programs, maintenance utilities, and hardware drivers.”