British Railways Pocket Book 4: Electric Multiple Units is divided into nine main sections as follows:
- Early Series 25 kV AC 50 Hz Overhead & Dual Voltage Multiple Units
- 750 V DC Third Rail Multiple Units
- Later Series Dual Voltage & 25 kV AC 50 Hz Overhead Multiple Units
- Hitachi IEP Multiple Units
- Eurostar Units
- Network Rail Service EMUs
- EMU Vehicles in Industrial Service
- EMUs Awaiting Disposal
- Codes
The book has been completely updated to incorporate all the latest rolling stock changes and with the addition of extra pages now also includes the following completely new classes:
- c2c Class 720
- Transport for Wales Class 756
- First Group Class 803
- Avanti West Coast Classes 805 & 807
- East Midlands Railway Class 810
160 pages including 16 pages of colour illustrations.