Immortal 2012a Book:-
Immortal 2012a final v15 Plus (Over 3.7 million games - ctg file = 8.56Gb extracted = 2.64Gb compressed)
UpdateImmortal 2012a final v15 Plus.7z.001
UpdateImmortal 2012a final v15 Plus.7z.002
UpdateImmortal 2012a final v15 Plus.7z.003
UpdateImmortal 2012a final v15 Plus.7z.004
UpdateImmortal 2012a final v15 Plus.7z.005
UpdateImmortal 2012a final v15 Plus.7z.006
First download the parts (001 to006) and then put them all in the same folder before you try to extract. Now use 7-Zip or Winrar to extract only part 001 and the rest will extract automatically. You do not need to extract part 002 - 006.