Marie Curious, Girl Genius: Saves the World - Ada Newton

Girls Excelling at Maths and Science! Four friends use their smarts to solve mysteries.
Young inventor Eden can’t believe her luck – she’s spending her summer holidays in California, at the high-tech headquarters of Vance Corps! She and the other clever campers get to build robots, do super-cool science experiments and test out awesome gadgets.
But not everyone is a happy camper...
Someone is sabotaging their robots, so Eden and her new friends – Gabby, Malika and Sophie – team up to catch the culprit. The science sleuths uncover dark secrets about the company and its mysterious owner, who is developing sinister software. Can the four girls outsmart the evil engineer and prevent a global disaster?