The sefer whose segulah captivated Klal Yisrael:
The Zera Shimshon's Commentary on Chumash, translated and elucidated
The Zera Shimshon on Chumash includes:
Rav Shimshon Chaim Nachmani, a renowned 18th century Italian rav and talmid chacham, is the author of the Zera Shimshon commentary. In his famous Introduction, he speaks about the loss of his only son, and promises great blessings to those who will learn his commentary. People all over the globe have attested to the power of the "segulah" of the Zera Shimshon.