"Day of the Assassins: A Jack Christie Adventure" is a book written by Johnny O'Brien. It is the first book in "The Jack Christie Adventures" series. The story revolves around Jack Christie and his best friend, Angus, who find themselves in the midst of a significant event that will shape history. They face a dilemma of whether or not to intervene. The book combines elements of time travel, adventure, and historical fiction. It may involve themes related to the assassination of Franz Ferdinand, the causes of World War I, and European history during the late 19th and early 20th centuries.

ISBN: 9780763645953