I'm into books myself, here is a list of good ones I have personally have read and recommend. Most of these books you can find for cheap if you are patient and hunt used on places like Amazon. I've picked them all up for pennies on the dollar by keeping an eye out. Good reads and/or excellent recipies.
Ruth Reichl: Tender at the bone, comfort me with apples, garlic and sapphires
Jacques Pepin: The apprentice
Michael Ruhlman: Ratios(AWESOME book), The soul of a chef, the making of a chef, the reach of a chef, charcuterie(another AWESOME book)
Bill Buford: Heat
Bourdain: Nasty bits, kitchen conf
Emile Zola: The belly of paris
Keller: French Laundry, under pressure
Robuchon: Cooking through the seasons(AWESOME book)
Boulud: Letters to a young chef
Point: Ma Gastonomie
George and Piret Munger: The pirets cookbook
White: White heat
Adria: A day at el buli (HUGE book, you can find it very cheap)
Escoffier: Le guide culinaire
Jeffery Steingarten: The man who ate everything
Happy hunting.