I love the way Karen Armstrong always manages to offer a new way of looking at the material she is researching.  Her books are always worth reading for that perspective alone, but also the depth of research she presents means the depth of her work is also outstanding.

Karen Armstrong  is a British author and commentator known for her books on comparative religion. A former Roman Catholic religious sister, she went from a conservative to a more liberal and mystical Christian faith

Revew her list of publications here