“The Secret Adversary” is another brilliant detective fiction by Agatha Christie. In this story, the two main characters, Tuppence and Tommy, discover a malicious gang secretly controlled by a person who lives under the name Mr. Brown. This gang is looking for a treaty which could create a great scandal for England. In order to destroy their evil plot, Tuppence and Tommy soon set off in search of a young girl named Jane Finn, who knows where the treaty is hidden. During their detective adventure, they form a strong alliance with Jane's cousin Julius Hersheimmer, the American ambassador Mr. Carter and the famous lawyer Sir James Edgerton. However, Tuppence and Tommy still encounter many obstacles and life-threatening situations along the way. In the end, they are both horrified to find that their powerful enemy “Mr. “Brown” is one of the people they call their ally. This novel precisely describes the evil movements that occur under the peaceful mask of the big city. In addition, it tells all the details of the heated confrontations between the young adventurers and the gang. But more importantly, it shows how these juvenile characters overcame their fears and became much more mature along the way. This novel is more than just a thrilling experience of danger; it is also a documentary about the transformation of two young adults. The challenges of this adventure tested the main characters, both physically and mentally. Reading through the story to the end, we can witness the significant changes in Tuppence's materialistic behavior, a great improvement in Tommy's leadership, and an exceptional improvement in courage in both of them. At first, Tuppence is described as a girl who desires.... ... middle of paper ......and pleasure from the excitement of adventure.Works CitedEnns, Ruth. An unheard voice: the Latimer affair and people with disabilities. Pennsylvania: Ferwoond Pub, 2010. Print, “Health Care – Patients’ Rights.” Encyclopedia of everyday law. 2003. Internet. March 27, 2012.Jones, Lindsey. “Objections to the Institutionalization of Euthanasia.” Vancouver Sunshine. November 17, 2009. The web. March 24, 2012. Keown, John. Euthanasia examined: ethical, clinical and legal perspectives. Cambridge: Cambridge UP, 2007. Print. Oxford University Press. The Oxford Desk Dictionary and Thesaurus. New York: Spark Publishing, 2007. Print. Rachels, John. The right thing to do. New York: McGraw Hill, 2010. Print. White, Marie and Jim Derksen. “Open Letter: Disability Community Response to CBC Interview with Robert Latimer.” Council of Canadians with Disabilities. March 2, 2006. The web. March 22. 2012.