The Treason of IsengardThe Treason of Isengard by J R R Tolkien published by Harper Collins in 1991. First edition second UK impression in fine condition, no markings, pages clean, binding firm, jacket in removable protective sleeve. About In The Treason of Isengard the story of the Fellowship of the Ring is traced from Rivendell through Moria and the Land of Lothlrien to the time of its ending at Salembel beside Anduin the Great river, then is told of the return of Gandalf