Moonstone Crown

Princess Claire de Angelo never fit in with the rest of high society. She was smart and opinionated when everyone else was superficial. She enjoyed archery and fencing, while other ladies attended balls and tea parties.
Prompted by her tutor to attend Court Assembly, she learns of the serious problems that struck her kingdom. She secretly creates the plan to help, but when she's revealed as the person behind the only functional plan, she has to fight centuries of tradition to prove her plans will work. When more problems appear and pieces no longer match, much darker conspiracy is revealed...