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Diamond Releases Market Shares for September 2008

Marvel Comics was the leading supplier in both Dollar and Unit Share categories based on total sales of comics, graphic novels and magazines to comic book specialty stores in September 2008, according to Diamond Comic Distributors.

September 2008 Market Share chart

SEPTEMBER MARKET SHARES
Based on Total Sales for Comics, Graphic Novels, and Magazines in September 2008

This information may not be reprinted, reproduced, or copied in any format without the express permission of Diamond Comic Distributors.

How does Diamond calculate the charts? It all starts at the comic book shop.

Data for Diamond’s sales charts—which include our monthly market shares and all of our top product charts—are compiled by Diamond Comic Distributors from a universe of over 4,000+ accounts, comprised of comic book specialty shops and other merchant stores and buyers. The shops are primarily located in North America, with a percentage of sales also to international shops and buyers located throughout the world. The account base includes not only brick-and-mortar comic book specialty shops, but also Internet stores, chain stores, and other specialty stores.

Unit and dollars sales are calculated based upon orders invoiced and shipped to Diamond accounts during any given month, which comprises initial pre-orders, advance reorders, and reorders, minus any copies that are received back from a title marked as returnable.