Through his latest thriller Dan Brown tries to explain that human being’s faith / belief is as par with his logic / reasoning. He once again combined science with religion. The best part I liked about this story is how he arrived at the finding (or explaining) of the lost symbol. Also he tries to explain that through belief we can achieve the results which may have no scientific explanation but actually it works. He also tries to explain that there exists no basic difference in all the religions in this world which I feel true and any rational person could understand this. Others things that I liked were the various techniques described like thermal imaging, sensing, noetic science, TlV, magic square, codification etc. I really liked the stuff, but it was little bit longer and more of subjective than da vinci code.