Sara and Margo are sisters who love to solve mysteries with daring detective work. High tech gadgets produced by their Dad, help them help the local police officers. Sara is twelve and Margo is ten years old. In this, the first book of the series, Sara and Margo, together with their friends, find and help catch a pair of thieves stealing kids' bikes in their town. Always into a mystery, Sara, Margo and their friends see and find clues that only children with a sense of adventure and high tech equipment can This is Nancy Drew meets the new millenium with mobile phones, apps, drones, night vision and other tech tools that their technology inventor dad comes up with for his top secret clients. James Bond and Nancy Drew all wrapped up into one and packaged for children