I just listed about 90 or so instruction books for sale on Ebay including Final Fight Guy and Chavez II, generally for not much more than I paid for them. Shipping is cheap, $2 for a single manual and $3 for as many as you want. Free shipping if you also purchase at least 1 of my games.
Links:
More Common:
http://stores.ebay.com/Retro-Gaming-...km?refid=store
Rare:
http://stores.ebay.com/Retro-Gaming-...km?refid=store
Or just brows the entire store:
http://stores.ebay.com/Retro-Gaming-...rs?refid=store
Thanks,
Victor