Rabbi Chaim and Binyamin Jachter's "The Halachic Haircutting Handbook" delves into the often-debated topic of whether halachah forbids men from shaving their beards, presenting a comprehensive look at the permissibility of using electric shavers according to Jewish law.

In the first book, "Yedias HaTorah Step by Step," Rabbi Dovid Schoonmaker shares techniques to improve memory when studying Torah, focusing on Gemara but applicable to any area of Torah.