This IA Gresley Locomotives book is the hardback edition and covers the Design & In-Service History of amongst others, the ex-GNR & LNER Class A1, A2, A4, B17, H3, J23, J38, J39, K4, N2, P2, V1-V4 & W1 Loco's produced during the '20's, '30's & '40's.