content: LibGen doesn't have every scientific and technical book in print, but they're certainly trying.  Browsing their catalog is like wandering through the biggest used book store in the universe.  It's a wonderful experience and I highly recommend it to all of you. Also, I found this tidbit interesting:  In addition, the data reveal that, overall, less educated people pirate less. This is the case across all categories but the biggest difference can be found in the books category.