This is a Morning Sun Books 1630 Southern Pacific Power In Color. Volume 3: Six Axles, Eight Axles, and GP60s, 1971-1996. Manufacturer: Morning Sun Books. Model Number: 1630. Category 1: Trains Books and Media. Category 2: RR History. Availability: Ships in 4 to 10 Business Days. Trainz Product Id: 12304605.