Electrigirl and the Deadly Swarm

Holly, also known as Electrigirl, travels to Cornwall for a vacation after defeating the evil Professor Macavity, but her rest is interrupted when a deadly swarm of flying robots attacks the beach, turning people addicted to danger. As the mysterious threat spreads, Holly must use her superpowers to stop the robots and save the coastal town. This is the second book in the Electrigirl series, written for middle grade readers at a 3.9 reading level.