Northern Lights
Northern Lights by Philip Pullman.
I can certainly see why ~8 year old Brett liked this
Lyra Belacqua is a tenacious young lady who, despite her cautious daemon and noble birth, just wants to be a kid. Over the course of this first entry in the trilogy she lives out the dream of every child with an overactive imagination. From finding out her decidedly not-dead parents are famous, interesting people to befriending an armored polar bear and rescuing hundred of her peers from an evil research station, Lyra's bucket list is probably done at the tender age...