So, because I am a librarian, I guess it goes without saying that I will encourage everyone and anyone to purchase BOOKS this year for all your gifting needs.  Yeah for books and literacy and all that goes with it!  And, because I am so kind, here is a list for all your book-giving needs:
fantasy-lovers:
The Lord of the Rings
- THE fantasy trilogy
Eragon Eldest
 Eldest
 and 
Brisingr
- for dragon-lovers (young adult)
Chronicles of Prydain - a children's (grade school) five book series: 
The Book of Three The Black Cauldron
 The Black Cauldron The Castle of Llyr
 The Castle of Llyr Taran Wanderer
 Taran Wanderer The High King
 The High King The Chronicles of Narnia
The Chronicles of Narnia
- another children's classic
Fablehaven series: 
first threebooks
threebooks
- a newer children's series
futuristic:
The City of Ember and sequels
sequels
(children's)
Life As We Knew It
and 
the dead and the gone
(young adult)
Fahrenheit 451
a classic!
The Hunger Games
(young adult)
laugh-out-loud:
Little Heathens
(non-fiction)
A Long Way From Chicago
(children's)
Diary of a Wimpy Kid and sequels
(children's/jr. high)
The Wednesday Wars
(children's/jr. high)
fairy tale:
Princess Academy
(children's)
Book of a Thousand Days
(young adult)
Wildwood Dancing
(young adult)
The Princess and the Hound
(young adult)
Fairest
(children's/jr. high)
Once Upon a Marigold
(children's/jr. high)
The Princess Bride
 (there's a book?)
picture books:
A Bad Case of Stripes Pancakes, Pancakes!
Pancakes, Pancakes!
or anything by Eric Carle
Where the Wild Things Are The Sneetches and Other Stories
The Sneetches and Other Stories
or anything by Dr. Seuss
history buff:
Amazing Grace
(non-fiction)
1776
(non-fiction)
Uprising
(historical fiction)
Longitude
(non-fiction)
See also 
School Library Journal's 
Holiday Gift Guide.