The Rogatchover Gaon was the Hasidic counterpart to the Ohr Someyach; both lived and led communities in the small town of Dvinsk. Sharp-tongued and uncompromising, the Rogatchover was a formidable rival to the older Rov. Rabbi Wein weaves the Rogatchover’s Halachic rulings together with more personal anecdotes, giving us a taste of the treasury of Torah he left behind.