David Brown Four Cylinder Diesel Engine AD4/47 Repair Manual. 

Covers:
Maintenance
Fuel System
Lubrication System
Cooling System
Repair Operations
Engine Tune
Decarbonising
Pistons and Connecting Roads
Crankshaft and Bearings
Cylinder Sleeves
Timing Gears
Valve Mechanism
Engine Removal
Dimensional Data
Summary of Design Changes
Approved Lubricants and Test Oils

732 pages, reprinted from the Original.

Condition is "New". Dispatched with Royal Mail 2nd