This is a really nice mystery series for children. They are fun, short and easy to read. This case had to do with a woman pretending to be a lost twin.
This one has to do with the mystery of some marked money. Polly and Ruthann helped their friend Officer Greenwood solve the mystery.
Polly and Ruthann help Officer Greenwood solve another case. This time it has to do with two baseball teams that dislike each other.
Polly and Ruthann help Officer Greenwood to find out who stole a missing wallet.This is one book of a mystery series. The books are short, great for kids who are just starting to get into mysteries. This one had to do with a missing wallet.
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