Copy, Rip, Burn: The Politics of Copyleft and Open Source: The Politics of Open Source https://www.amazon.co.uk/dp/0745324142/ref=cm_sw_r_cp_api_i_...
Two Bits: The Cultural Significance of Free Software (Experimental Futures) https://www.amazon.co.uk/dp/0822342642/ref=cm_sw_r_cp_api_i_...