From #1 New York Times–bestselling author and illustrator Ben Hatke comes Mighty Jack and Zita the Spacegirl, an epic middle-grade graphic novel team-up adventure.

Jack and Lilly have battled giants, befriended dragons, and earned the loyalty of a goblin army. So when Zita the Spacegirl arrives, fresh from her interplanetary travels, seeking their help against a new threat, they’re more than ready for action.

But this danger is unlike anything they’ve faced before. An army of giants and screeds stands ready to lay siege to Earth, threatening to end the age of humans. With the gate between worlds weakening and time running out, Jack, Lilly, and Zita must join forces, combining courage, cleverness, and magic to confront their greatest enemy yet.

Packed with high-stakes adventure, imaginative worlds, and heart-pounding action, Mighty Jack and Zita the Spacegirl is perfect for fans of middle-grade graphic novels, fantasy adventures, and heroic team-ups.