It's crazy to prefer free technical books just because they're free. Yes, time is the biggest cost of any book. But there are some massively helpful [0], curr

It's crazy to prefer free technical books just because they're free. Yes, time is the biggest cost of any book. But there are some massively helpful [0], current [1] and legendary [2] books on this list. [0] Learn Python the Hard Way by Zed A. Shaw [1] Street-Fighting Mathematics by Sanjoy Mahajan [2] Structure and Interpretation of Computer Programs by Harold Abelson, Gerald Jay Sussman, Julie Sussman