I'm a bit of an amateur artist (won several art and design contests when I was in school, but never pursued it as a career). At 7, I remember taking in as many cool imagery as I could as inspiration, and tracing subjects and backgrounds to gain a feel for lines and shapes, proportions, perspective, etc.
Walt Disney Animation Studios has a great book series, The Archive Series, that covers the various aspects of Disney animation, including story, design, layout and background, and animation. The books are pricey, but filled with beautiful illustrations from Disney's films through the ages.
How to Draw the Marvel Way is also a great book that covers character animation and action, layout and story boarding. Now that Disney owns Marvel and produces Marvel movies, which have a lot of [edit] CG that starts out from story boards, I guess this counts.
Amazon also has a coupon right now for $10 off book purchases of $25 or more. Enter promo code HOLIDAYBOOK.