Mr. Harrison Is Embarrassin'! (My Weirder School, Book 2)

My Weirder School weirder than ever!

Mr. Harrison, the tech guy at Ella Mentry School, can fix anything: computers, phones, pencil sharpeners. He can also build anything, like a solar-powered umbrella. What a nerd! But when the power goes out in the school, everyone is yelling and screaming and freaking out in the dark. Can Mr. Harrison save the day?