The Tree of Life is the third and final book in the Quest for Eden trilogy. In this book Hod and his friends must stop Kron, the king of the nephilim, from getting into the Garden of Eden and stealing the fruit from the Tree of Life. Once again they must battle Dracon, the great serpent who tempted Eve, and deal with the defection of one of their members. As the group of young people concludes their final mission, they bring about the destruction of the evil giants and make the world safe for humanity in the centuries before the great flood.