Impossible Journey, A Tale of Times and Truth
by James M. Becher
This is a unique Science-fiction novel, specifically time-travel, with a twist and a message. It's about some scientists from the near future who decide to go back to the garden of Eden and try to prevent the fall, thus putting an end to all evil. But they can only go so far one time and at one point they get pulled to their future. it covers 6 historical periods as well as one in the future.