Of which book? In lightning their it would be Nancy Bobifit and Smelly Gabe I think.
Biology is not capitalized because it does not come from a proper noun. Such as English. English is capitalized because it comes from the proper noun "England" but biology does not come from a proper noun, so it stays lower case.<span />
Answer:
Grave men, near death
Explanation:
"Grave" is the pun, because dead people are put into graves