Nathan Fillion, <i>Castle</i> Nathan Fillion, Castle

Bummed that Castle's season is ending? This ought to brighten your summer.

Castle finale: Castle and Beckett put all their cards on the table

Marvel Entertainment and ABC Studios have teamed up to create a hardcover graphic novel inspired by the ABC's Castle, has learned. Titled Richard Castle's Deadly Storm, it's the first partnership between Marvel and ABC since Disney, which owns ABC, acquired Marvel last year.

The book focuses on Derrick Storm, the protagonist of Richard Castle's most popular series of novels. Viewers may recall that Castle (Nathan Fillion) began following Beckett (Stana Katic) for inspiration for a new series of books after he made the decision to kill off Derrick Storm, with whom he'd become bored.

"We are incredibly excited to be partnering with Marvel to bring Richard Castle's early literary works to life," Castle creator and executive producer Andrew W. Marlowe said. "It's a great way to expand the Castle universe for all our fans."

Castle exclusive: ABC launches