CowlWith Cowl, Neal Asher, acclaimed author of Gridlinked and The Skinner, has created a powerful time travel novel for the 21st Century, a violent thrill ride that will leave you breathless In the far future, the Heliothane Dominion is triumphant in the solar system, after a bitter war with their Umbrathane progenitors. But some of the Umbrathane have escaped into the distant past, where they can position themselves to wreak havoc across time and undo