You can specify the type of files you want, for your device.Turbochargers HP49 (HP Books): Turbo Design, Sizing & Matching, Spark-Ignition & Diesel Engine Applications, Water Injection, Controls, Carburetion, Intercooling, ... Street & Race Cars, Boats, Motorc) | Hugh MacInnes. I have read it a couple of times and even shared with my family members. Really good. Couldnt put it down.