The book he is displaying is The Malleus Maleficarum (The Hammer for Witches) originally written in 1486.

During a question session after a public debate between a philosopher and a Catholic scholar at Adelaide University in April, Mr Dowling held up the book and criticized church-approved attrocities.

Mr Dowling's Investigator input to date has consisted of skeptical material on the Bible and Christianity:

Christian Morality  No. 68 pp 22-27

Virgin Birth, Resurrection, Angels, 72 Hours  No. 69 p 44