The PSP Almanach - a huge Encyclopedia about PSP, Homebrew and Downgrading - has been updated and increased. PSP almanach has been a huge project of PSPSource.de. Its author, "Splitti", has been working on it for over an year.
Its a great source for newbies in the PSP-scene. At the moment there is 140 pages. The PSp Almanach contains information about the PSP itself, Firmwares, Downgrading/Upgrading, Custom Firmwares, Homebrew and even tutorials how to dump,downgrade or doing anything with your PSP.
If you want, you can get the PSP Almanach here:
And belive me, this aint a small manual, this is huge, its even linked on wikipedia.
But! At the moment there is only a german version! splitti is working on an international translation of the Almanach. So stay tuned xD...