James V. Spickard, Sociology of Religion: A Quarterly Review, Vol. 73, no. 1 (2012), pp. 94-96.
"Religion and the New Atheism [is] a compelling and comprehensive account of the numerous approaches to the criticism of religion that new atheism offers. The books of Dawkins, Harris and Hitchens are not written with academic and intellectual rigour in mind but as a means of presenting the case for radical Enlightenment atheism to a lay audience...required reading for all of those who wish to see scholarly engagement with the implications that new atheism has for a whole range of disciplines that touch on the issue of religion and religious belief." Jolyon Charles Leslie Agar, Journal of Critical Realism, 11.2 (2012): pp. 225-246.
Amarasingam’s volume is indispensable to studying the New Atheism [...]
Teemu Taira, Temenos: Nordic Journal of Comparative Religion, 47(1): 116-122 
Religion and the New Atheism sets an example for what will surely be in-depth study in years to come.
David M. Csaszar, Journal of Contemporary Religion (cJCR) 27.1 (January 2012 issue)