I love fantasy books mainly (though when I was younger I loved stuff like The Little House On The Prairie by Laura Ingles Wilder)
And books that generally are well written and/or have a good storyline. Also, if they keep me on the edge of my seat, so I absolutely have to read the next chapter, I'll usually read them too.
Favourite books; The Lord Of The RingsJ. R. R. Tolkien The HobbitJ. R. R. Tolkien
These books by Paula Vince aren't very popular, but are really good
Quenarden seriesPaula Vince
These next four books aren't fantasy, they are realistic. And they are very well written, the types of books where I have to read the next chapter!
The Risky Way HomePaula Vince Picking Up The PiecesPaula Vince A Design Of GoldPaula Vince