many of its including stephen jimenez and james swanson will be present. booktv will be live from the los angeles times festival of books from the university of southern california campus april 12th and thirteenth. for complete schedule of events visit booktv.org and let us know about book fairs and festivals in your ariane and we will add them to our list. e-mail us at booktv@c-span.org. >> next on booktv, the plot to assassinate abraham lincoln on february of 1860 one prior to lincoln's inauguration ceremony. the plot was discovered by detective alan pinkerton. was executed in baltimore as lincoln stopped in the city on the way to washington d.c.. this is about 40 minutes. >> thank you. thank you for coming out. it is a real pleasure to be here in illinois especially because this is literally where the wheels of this story started turning both figuratively and literally. the book is the story to a large extent of allan pinkerton, famous detective of the ninete