An English translation of the immensely popular sefer on the laws of Yom Tov. As in Hilchos Shabbos, in Hilchos Yom Tov we have followed the "derech kitzora" (path of brevity), and have concentrated primarily on acquainting the reader with the main principles of the laws of Yom Tov. In addition, we have presented a number of practical applications. Thus, one will be equipped to ask one's Rav for further guidance after studying this sefer. In Hilchos Shabbos we organized the sefer in accordance with the sequence used by the Chayei Adam in his sefer Zichru Toras Moshe. Likewise, in Hilchos Yom Tov as well, we have organized the sefer according to the arrangement of the Chayei Adam, which follows the order of the thirty-nine Melachos. Thus, each chapter in this sefer parallels the corresponding chapter in Kitzur Hilchos Shabbos. The advantage to this system is that one who has already studied the laws of Shabbos from our sefer can now easily find the halachos of Yom Tov relevant to that subject in the same chapter as that topic is discussed in Hilchos Shabbos. Moreover, within each chapter, one can frequently follow the order of the numbers assigned to each subtopic, and thereby see how the halacha in regard to Yom Tov differs from Shabbos.