Cadi Adams is a young woman with exceptional talent. She is the Welsh version of Nancy DrewWherever Cadi goes mystery and mayhem follow her. A chance to spend a holiday at an archaeological site is a dream come true, and a chance to spend time with her estranged mother.When Cadi and her friends reach Mexico City, she finds herself caught up in a whirlwind of mystery when Brendan Doherty, her mothers assistant, fails to arrive at the airport. She also...