Legendary comics writer Alan Moore will turn 60 on Monday, and the digital comics distributor Sequential is celebrating with a free download of Gary Millidge's Alan Moore: An Extraordinary Gentleman, as well as a sale on all of its Moore comics.

Millidge originally put together the 20-page bio-comic in 2003 to celebrate Moore's 50th birthday, and he has revised and updated it for this occasion. It's text-heavy, with a two-page introduction followed by the story of Moore's life told in panels from his comics, overlaid with lots and lots of text boxes. It's certainly an interesting comic and worth checking out if you have an iPad. Millidge is the creator of the self-published comic Strangehaven and the editor of the anthology Alan Moore: Portrait of an Extraordinary Gentleman.

Sequential is also offering discounts on a number of Moore's comics: From Hell is $3.99, and The League of Extraordinary Gentlemen: Century and Nemo: Heart of Ice are priced at $2.99 each.

If you're wondering, "Is it worth it to download another app just for these cheap comics?" the answer is probably yes, if you have an iPad and you like indie and underground comics, particularly those from the United Kingdom. Sequential has a very nice presentation, and there's quite a bit of free material, including the collection of Neil Gaiman's Lost Tales (which includes Moore's Leviticus) and the digital comics magazine Infinity.