This was a pretty good read, though I had only just hear of it recently.
The story starts when a small alien vessel crashes in Vichy France during World War II. As you can imagine, the various powers scramble to get control of the vessel, which seems to be magically made up of a solid liquid metal (think of the ship from The Flight of the Navigator) and the one surviving alien, who seems to have morphing, healing, and telepathic powers. The story is pretty fast paced and takes on the form of a political intrigue story that is filled with spies and double agents ... basically mix The Bourne Identity with The X-Files. The story is presented with shared perspectives, which creates a unique look at what is going on. Perspectives include an American operative, a French boy who believes he is following in the footsteps of Joan of Arc, a French Maquis leader, a german uberfuhrer, and an American military leader.
I thought it read easily and moved pretty quickly. The characters are not tremendously well-developed, but that would not seem to be too important with this kind of story.
The biggest disappointment for readers might be if they are hoping to see some of Stan Lee's more famous characters. This seems to be a unique, standalone story that is superhero free, despite the fact that one of his characters shares his name with one of Marvel's most popular characters.