Any of these look familiar?
https://www.amazon.com/s/ref=nb_sb_ss_i_1_18?url=search-alias%3Daps&field-keywords=james+garfield+assassination&sprefix=james+garfield+ass%2Caps%2C211&crid=1MRKGWM83EWVX
It was “ Destiny of the Republic”.
Thank you.