As an Eddings fan, I can't honestly think of one that wasn't good.
Even the stand alone book 'The Redemption of Althulus' made for brilliant reading.
I think the best place to start is
at the begining, with the five books of
The Belgariad. That way you get to meet the characters as they first
appear.
Some of the history and other relevant factors are important, for you will come across some in the later series.