I added the following 20 books to this site this week. I also rearranged the Books menu of the site to follow these subsections.

Academic books:

1. Cyberhenge: Modern Pagans on the Internet
2. iMuslims: Rewiring the House of Islam
3. Islam Dot Com: Contemporary Islamic Discourses in Cyberspace
4. Islam in the Digital Age: E-Jihad, Online Fatwas and Cyber Islamic Environment

Academic books, that only have one or more chapters related to religion online and the books as whole are focused on another topic:

1. Everyday Religion: Observing Modern Religious Lives
2. Exploring Religion and the Sacred in a Media Age
3. God in the Details: American Religion in Popular Culture
4. Mediating Religion: Studies in Media, Religion, and Culture
5. Muslim Networks from Hajj to Hip Hop
6. New Media and the New Middle East
7. Predicting Religion: Christian, Secular and Alternative Futures
8. Reading Spiritualities: Constructing and Representing the Sacred
9. Teaching New Religious Movements
10. The New Generation Witches: Teenage Witchcraft in Contemporary Culture
11. The Oxford Handbook of New Religious Movements
12. Virtual Faith: The Irreverent Spiritual Quest of Generation X

Non-Academic books:

1. 24/7: time and temporality in the network society
2. Media Mindfulness: Educating Teens About Faith and Media
3. Technology & Spirituality: How the Information Revolution Affects Our Spiritual Lives
4. The Soul of Cyberspace: How New Technology Is Changing Our Spiritual Lives