authors will be signing books includes senator rand paul, oliver north and former maryland governor bob ehrlich. on march 15th and sixteenth the tucson test of love book takes place on the campus of the university of arizona and you can watch our coverage of the festival the following weekend on booktv on c-span2. march 19th through the twenty-third of virginia festival of the book will take place in charlotte's ville, va.. 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.