Galen Govier's Code Book - is it worth getting?

http://www.plymouthbarracuda.net/information/1969-barracuda-production.shtml

69 340 barracuda fastback's - 2,685
4-speed - 1,455
automatic - 1,230

340 Formula-S - 1,431

340 'Cuda package - 568
4-Speed - 402
Automatic - 166