There are books about knives
I like the spydy fixed blades the new Hossom one is a bigun and the Lum tanto is a thing of beauty. Extrema Ratio makes their folders to be used like a sharpend prybar. It does not work well for traditional cutting though but it is for cutting your way out of crashed aircraft and other emergencys.

"if you want to be a hero you have to learn to drive stick"! Sara Conner