A classic teen whodunit series! A girl with boundless curiosity and a boy math genius pair up to solve baffling mystery cases.
2009-01-08
2009-01-15
2009-01-22
2009-01-29
2009-02-05
2009-02-12
2009-02-19
2009-02-26
2009-03-05
2009-03-12
2009
