LoTR
Harry Potter
Dragon Riders of Pern (especially Dragonsong, which the Dragonlady herself signed for me!

)
Jane Eyre
Anything by Christina Jones (chicklit)
The Wardstone Chronicles by Joe Delaney
The Tudor series by Phillippa Gregory
I can't choose just one! That would be like asking me to choose which was my favourite bar of chocolate....it can't be done! LOL