Why not be the ultimate book for bookweek- Lord of the rings! 
The Lord of the Rings written by J R R Tolkien This mythical world follows a brave fellowship of hobbits, men, an elf, a dwarf, and a wizard who embark on a perilous quest to destroy the One Ring and defeat the Dark Lord.

Don't forget to elevate your costume with Lord of the rings Elven Clip and Elf Ears.