Denise Lardner Carmody & John Tully Carmody 
In the Path of the Masters [PDF ebook] 
Understanding the Spirituality of Buddha, Confucius, Jesus, and Muhammad

Reflecting on the legacy of four great religious figures, this book places each in their historical context, offers glimpses of what they were like personally, assesses how they saved their followers from confusion, and traces each religious tradition after its founder”s death.