metallic bone replacement and hardened alloy blueprints are the two main ones I need for my own books at the moment... but I suspect price on them is way too high for me to be able to pay, so please don't buy one for me... but if you know of where they are, let me know and we can talk. Once I get those two, my own personal component I book will be 100% full, well unless ma changes things and adds more slots in there. For the library's bps, I'll let you know more about what's needed later.