Ivymike;
I will take a stab at this, since no one else has, although it was not clear how technical you are expecting.
Some Unusual Engines; Setright, LJK; MEP; 1975
Valve Mechanism's for High Speed Engines; Smith, Philip H; GT Foulis; 1967.
The High Speed Internal Combustion Engine; Ricardo, HR; Blackie; 1968.
The Classic Twin-cam Engine; Borgesson,G; Dalton Watson Ltd; 1981.
The Internal Combustion Engine in Theory and Practise; Taylor,CF; MIT Press; 1985.
These are just some books in my library which might fit your description, but if you provide more specifics on what you are looking for, I may be able to recommend others.
PJGD