This book in very good condition details the BN motive power roster going into the 1990’s. Inside you’ll see many photos of BN power including switchers, EMD 4 and 6 axles, GE 4 and 6 axles, Commuter units, E-Units, and more. 208 pages, hardback book, published in 1991, Four Ways West Publications. Thanks for looking. I am happy to combine the shipping.