Book reviews of four cyber security books published between 2019-2020. Dark Mirror: Edward Snowden and the American Surveillance State by Barton Gellman 2020, The Hacker and The State by Ben Buchanan, 2020, Sandworm by Andy Greenberg, 2019 and The Coming Cyber War by Marc Crudgington, 2020.  These books provide great insight to where we are in the cyber security profession.  They discuss history, technology, and attacks.  Cyber security professionals need to understand the threat landscape.  These books all help with that in their own way. Dark Mirror: https://www.barnesandnoble.com/w/dark-mirror-barton-gellman/1122928803?ean=9780143110477 Hacker and The State: https://www.barnesandnoble.com/w/the-hacker-and-the-state-ben-buchanan/1132885872?ean=9780674987555 Sandworm: https://www.barnesandnoble.com/w/sandworm-andy-greenberg/1129288539?ean=9780525564638 The Coming Cyber War:  https://www.barnesandnoble.com/w/the-coming-cyber-war-marc-crudgington/1137913105?ean=9781735916309 PRISM:  https://www.masslive.com/politics/2013/06 codename_prism_secret_program_data_mining.html Shadow Brokers:  https://darkwebjournal.com/shadow-brokers/ Stuxnet:  https://www.csoonline.com/article/3218104/what-is-stuxnet-who-created-it-and-how-does-it-work.html Wiper:  https://iranprimer.usip.org/blog/2019/oct/25/invisible-us-iran-cyber-war Fancy Bear: https://www.crowdstrike.com/blog/who-is-fancy-bear/ Sandworm: https://resources.infosecinstitute.com/topic/apt-sandworm-notpetya-technical-overview/ Gucifer:  https://www.justice.gov/opa/pr/romanian-hacker-guccifer-sentenced-52-months-prison-computer-hacking-crimes Eternal Blue: https://www.cisecurity.org/wp-content/uploads/2019/01/Security-Primer-EternalBlue.pdf Sands Casino Hack: https://money.cnn.com/2015/02/27/technology/security/iran-hack-casino/index.html DNC Hack: https://www.wusa9.com/article/news/russians-hack-the-dnc-a-timeline/65-bd1326a7-7ed5-4cd7-92a3-63eed75f1bd9