Halley Harper, Science Girl Extraordinaire: Nature Code Breakers

The Fourth book in Halley Harper Series. Follow Halley’s adventures as she uses her quirky love of science to turn the ordinary into extraordinary. "Miss Disaster strikes again, but now it’s at the White House in front of the President of the United States! Halley Harper decides that it’s time to give up science forever and focus on fitting in and being popular. Meanwhile, someone steals her invention and one of her best friends goes missing. Will going back to nature help her feel like herself again? Can she solve the mysterious nature codes before it’s too late? "