Answer:
I'm often served as a "rack of ..." I'm often smoked or grilled, with bones in, and slathered in BBQ sauce.
What age most travelers have?
What has one hand longer than the other, and goes on all day and night?
The eight of us go forth not back to protect our king from a foe's attack. What are we?
Sometimes it's silver but also gold. Printed on paper it's a treasure to hold. What is it?
I met a man on the London bridge, he tipped his hat and drew his name, in this riddle I told you his name. What is it?