Sefer Chesed L'Avraham / ספר חסד לאברהם

A comprehensive guide to those learning the inyanim of sfeikos.   - Follows the simanim of the Shulchan Aruch, Yoreh De'ah which deal with sfeikos: סי' ק"י סי' קי"א the klalei sfeik sfeika of the Shach the klalim mechudashim of the Toras Hashlamim - Provides background of the sugya of each se'if and explains the poskim and Nosei Keilim, along with many he'aros and biurim. - Includes a "chelek habiurim" at the end, which gives more in-depth explorations of the above simanim.  By Rabbi Avrohom Tzvi Gendelman