Album on the heavy CoCo diesels, ČSD class T 669.0 and 1, now class 770 and 771, manufactured in huge numbers by ČKD as type ČME3. A short technical description is followed by a comprehensive collection of full-page photographs of the locomotives at work in Czechia and Slovakia. Czech text only. 256 pages 30x21 cm, 133 colour and 126 monochrome photographs, hb.