LIQUID NITROGEN BRAIN-FREEZE LEVEL.
As above, and in addition your name appears in the “special thanks” section of the acknowledgements, and you receive TWO copies of the book. (Impress friends and family members by discreetly turning down the corner of the acknowledgements page so they see your name so prominently displayed).
TOTAL INCINERATION NOTHING-LEFT-BUT-CINDERS LEVEL.
As above, plus you may name a character (perhaps after yourself). Provide us with as much personal information as you desire. Since it is sure to come up, give your thoughts on zombies. Also provide any colorful catch-phrases that you might be prone to use in high-octane danger situations