Thecontrolofopenquantumsystemsandtheirassociatedquantumthermodynamicpropertiesisatopicofgrowingimportanceinmodernquantumphysicsandquantumchemistryresearch.Thisuniqueandself-containedbookpresentsaunifyingperspectiveofsuchopenquantumsystems,firstdescribingthefundamentaltheorybehindtheseformidablycomplexsystems,beforeintroducingthemodelsandtechniquesthatareemployedtocontroltheirquantumthermodynamicsprocesses.Adetaileddiscussionofrealquantumdevicesisalsocovered,includingquantumheatenginesandquantumrefrigerators.Thetheoryofopenquantumsystemsisdevelopedpedagogically,fromfirstprinciples,andthebookisaccessibletograduatestudentsandresearchersworkinginatomicphysics,quantuminformation,condensedmatterphysics,andquantumchemistry.