In this hilarious middle-grade graphic novel perfect for fans of The Bad Guys and Spy School, two kids forced to stay with their grandma for the summer discover she’s a retired spy diving back into the world of espionage.

The last thing Jamie wants to do with her summer is spend it at Grandma’s house. Grandma is totally boring and doesn’t get Jamie at all. But her mom didn’t ask for her opinion, so Jamie and her brother Ben are stuck.

The last thing Grandma expected was to be ambushed by escaped criminals she brought to justice during her days as a spy. The second-to-last thing she expected was her grandkids—who know nothing of her former career—showing up in the middle of the tussle!

The attacks keep coming, totally blowing Grandma’s cover. And when a mysterious master criminal makes a big move against the family, Jamie and Grandma must put aside their differences and figure out a way to work together. It’s going to be a long, dangerous summer…