Ishey Yisroel is written by Rav Avraham Yeshaya Pfeuffer (pronounced Foyfer). It contains Teshuvos b’inyonei tefila from Rav Chaim Kanievsky. It is very very thorough and I have seen many rabonim using it.
Ishey Yisroel is written by Rav Avraham Yeshaya Pfeuffer (pronounced Foyfer). It contains Teshuvos b’inyonei tefila from Rav Chaim Kanievsky. It is very very thorough and I have seen many rabonim using it.