Major Religions Lead to Eternal Life: Guaranteed
By joining any major religion (at least one million members) you are guaranteed at least to be a statistic in future times concerning religious believer percentages of today.
Of course, being an atheist guarantees the same level of recognition in the future.
The Bible, as described this morning by a somewhat rambling C-SPAN caller: The Bible, a Basic Book before Leaving Earth. Someone should write a new one, updated, and without anything which can't be corroborated. I'm willing to help with the editing.