It is not legal to distribute copyrighted material. The copyright for most American works lasts (I believe) 76 years; similar to most other countries.

I laud your efforts to make Vance available, but illegal copies are not the answer. After you've read a few, you'll either find they're worth more than two candy bars, in which case you can scrimp somewhere else, or they're not, in which case you have nothing to regret.