The Machzor: Challenge and Change Resource Pack for Individual and Group Study by Hara E Person and Sara Newman is a comprehensive textbook focusing on Rosh Hashanah and Yom Kippur. Published by the Central Conference of American Rabbis/CCAR Press in 2010, this 212-page paperback is written in English and covers topics related to healing, prayer, and spirituality. Suitable for adult education and various levels of learners, this resource pack offers insights and guidance on Jewish traditions and practices. With a height of 12 inches and a weight of 2 lbs, this book is a valuable addition to any religious studies library.