"'Carpocrates, Marcellina, and Epiphanes: three early Christian teachers of Alexandria and Rome' impressively documents the diversity of Christian schools in the 2nd century... Reconstructing the characters and their theology and thinking from heresiological treatises written many years after the events is a difficult matter. I would at least argue that various interpretations are possible - Litwa has presented a quite convincing one." - Bryn Mawr Classical Review