Hello,

I hope you are doing fine,  You can download the Computer Science Book Pdf of class 12th PSEB from google itself. But i would suggest you to have a real book rather than an E-Book or PDF.

If you still wanna download the PDF of Class 12th Computer Science Book  PSEB then can download it with the link given below -

http://files-cdn.pseb.ac.in/pseb_files/Computer-Science-12-(Eng).pdf

I hope you find this information helpful. I wish you all the best for your future.

Good Luck