Martha the talking dog solves two mysteries, first when she is falsely accused of eating a birthday cake and must find the real culprit, and then when she tries to find out what two suspicious-looking men are up to. Interest Level: K-3 Reading Level: 2.6 ATOS Book Level: 2.8 AR Interest Level: LG AR Points: 1 AR Quiz: 135577EN Fountas & Pinnell: N.