Price Trackers and Deal Finders:
Retailers:
- Amazon.com
- Amazon.com's zShops' Comics listings
- Amazon.com's Marvel Comics Auctions
- Barefoot Books
- Barnes&Noble.com
- Buy.com
- Comic Book Classifieds
- eBay's Comic Book Listings
- Mile High Comics website & ebay store
- mycomicshop on ebay
- Plan9 (great comicstrip books)
- Powell's Books
- SFBC - Science Fiction Book Club
- SF/Fantasy Books
- Yahoo's Comic Book Auctions (inluding X-Men items)