“Minty and the Cavalry” is available for free from Google Books. It’s a 550-page book published in 1886 and written by Joseph G. Vale who served in the Seventh Pa. Cavalry from October 12, 1861 until September 14, 1864. Vale was wounded three times and captured once.
Minty and the Cavalry by Joseph G. Vale, 7th Pa. Cavalryman
Free Download from Google Books