The First Invasion: Book 1

"Truly's parents are arguing all the time. Kaz isn't the best at making friends. And Maximo Skulldigg gets bullied by his older brother--plus, he has to conquer Kaz and Truly's home planet of Earth. It's a good thing Kaz and Truly just uncovered a family secret. After the cousins find a hideout full of strange treasures near Kaz's house, they slip on wristbands that summon a space knight named Trinn Cyclo. Soon, he may be Earth's only hope."--