Preceded by: Life, the Universe and Everything
Including everything you wanted to know about the first three books but never thought to ask.
"HE LOST ALL FAITH IN THE STRAIGHTFORWARD OPERATION OF CAUSE AND EFFECT THE DAY HE GOT UP INTENDING TO CATCH UP WITH SOME READING AND ENDED UP ON A PREHISTORIC EARTH WITH A MAN FROM BETELGEUSE AND A SPACESHIP-LOAD OF ALIEN TELEPHONE SANITISERS...".
Left at the end of LIFE, THE UNIVERSE AND EVERYTHING with the address for God's Final Message To His Creation, Arthur …