Hot damn. Author Scott Westerfeld and illustrator Keith Thompson are releasing a guide to their Leviathan series today, and it's chock full of concept art, technical drawings and just amazing prettiness. The ideal gift for any aspiring aviators in your life. We've got a sneak peek from The Manual of Aeronautics right…

Today sees the release of Scott Westerfeld's and Keith Thompson's long-awaited third book in the Leviathan trilogy, Goliath. And we can't wait for a third dose of alternate-history World War I, with all the mechs and genetically engineered airships. (And to celebrate, here's a lovely new piece of artwork. Check out the …

The next chapter of Scott Westerfeld's alternate World War I series comes out next month, and we've got an exclusive piece of amazing artwork from illustrator Keith Thompson. Plus an essay from Westerfeld, explaining how this artwork came to be.

One of our favorite series of 2010 gets the axe this week. Boo! But to ease our pain, there's a ton of new comics, some 2000 AD trades, and a fun-looking series about parallel universe body-swapping.

Scott Westerfeld's Leviathan saga has many elements dear to our hearts, including alternate-history, plucky heroes of both genders, and strange inventions. But after reading the second book, Behemoth, we realized we really love these books for the pure escapist rush.

What manner of beast is this? Here's an exclusive look at Keith Thompson's art from Behemoth, the sequel to Scott Westerfeld's acclaimed book Leviathan. Check out another picture below, plus a video of Westerfeld talking to audiobook reader Alan Cumming.

Now that Scott Westerfeld's Leviathan has won a Locus Award, we're even more excited to read the next chapter in the alternate-universe World War I saga. Here's your exclusive first look at the cover of book two, Behemoth. Spoilers below.

Imagine a creature as big as a sperm whale, with the instincts of a predator. That's what scientists believe they've found, and they're calling it "Leviathan."

If I've learned anything from Alternate History fiction, it's that in 90% of all alternate universes are timelines where A.) Hitler won WWII; or B.) people fly zeppelins instead of planes. Today we'll explore the latter.

Clash of the Titans brought the kraken back into popular consciousness, but a ship-eating leviathan doesn't have the same zing in 2010. No, we need a real-life marine horror to keep us off the beach. Here are our candidates.