What are you attempting to do, diagnostics, tutorial, test equipment or?
All brochures etc are on the engine manufactures sites etc together with ( in some cases ) the management system and fuelling system used therein.
Make sure you have a spare set of inks and a spare pack of printing paper to hand though.
Reading material for you upto Xmas methinks.
Remembering The Good Old days, when Chiefs stood watches and all Torque settings were F.T.