I have 5 books covering various semi-trucks over the years.

"Big Rigs" by Holtzman
"Mack Truck" by Adams (Motorbooks)
"Semi Truck, Color History" by Holtzman
"Classic American Semi Trucks" by Lipschultz, Holtzman
"Freightliner Trucks: 1937-1981 Photo Archive" by Robert Gabrick

All except "Big Rigs" is soft cover bound
All are in excellent condition and spines are not cracked

$45 for all 5 which includes media mail to the CONUS. Paypal, check and MO are accepted.