Popco By Scarlett Thomas

PopCo tells a story of twenty-nine-year-old Alice Butler, a quirky, fiercely intelligent loner with an affinity for secret codes and mathematics. She works for the huge toy company named PopCo, where she creates snooping kids' kits - KidSpy, KidTec and KidCracker. At the company conference Alice and her colleagues are brought into developing the ultimate product for the teenage girls.