A Publishers Weekly story by Calvin Reid reports a “computer glitch” late last week caused Amazon.com to sell “hundreds if not thousands” of very high-end comics and graphic novels at unbelievably low discounts. The result: Amazon.com’s Top 100 bestseller list was suddenly filled with graphic books.

The news broke on the comics news blog Bleeding Cool. The PW report tells what happened next:

news of unbelievable bargains spread quickly on Twitter, and readers flocked to Amazon to place orders for graphic novels at wild discounts. Prices included high end boxed set hardcover collections, really priced at more than $100 but suddenly offered for $14.99 or less.

A source at Diamond Comic Distributors, which supplied the comics to Amazon, said the mispricing was a data error and that it was being fixed. It is unclear how many items were ordered during the period of mispricing although there is speculation that there were thousands of orders.

However, the PW story cites one disturbing possibility: That it “is also unclear how many—if any—of the orders Amazon will honor.”