Tokfo Kohen with Peirush Koach Tefisa (Hebrew Only) / טוקפו כהן עם פיירוש כוח תפיסה (בעברית בלבד)

The classic work of the Shach (Rav Shabsai HaKohein) on the Talmudic concept of "tefisa", re-typeset and extensively updated with footnotes and indices. Includes related writings, notably from the Ramban, the "Sm'a" and the "Chelkas Mechokeik", as well as insight by Rabbi Yosef INgber titled "Peirush Koach Tefisa".