(1) Msg. Trochu's The Life of the Curé 'd Ars. Read it twice. Too good for just one reading.
(2) The Life of Saint Elizabeth Ann Seton by Fr. Leonard Feeney. Also read it twice.
(3) The Story of a Soul autobiography. (the John Beever's translation) and The Storm of Glory also by Beevers. This second book is his biography of St. Thérese. Both are favorites of mine. Many years ago our dad required all his children to read these two. We were obedient and thankful he ordered us to do so when we finished.
(4) The Biographical Mémoires of Saint John Bosco--a set of thirty volumes! Got mine years ago from the Salesian motherhouse in New Rochelle,NY. Have read most of them. A Salesian priest actually rolled his eyes when I asked to buy them saying "I can't believe you want to read those." They may still have whole sets to sell. Expensive, for sure, but after all you are getting thirty books and it is an autobiography of this great man. Because of this collection of books we know more about St. John Bosco than about any other saint.
(5) The life of Saint Anthony Mary Claret. TAN books published the version I have. Excellent.
(6) Not a canonized saint but the life of Father DeSmet, apostle to the Indians, was the last book I read. Wow!