The mystery pups arrive in Sleuth City just in time to witness a jewellery store break-in. The thieves get away - but the Mystery Pups are soon hot on the trail of the gemstones!
This is Book 4 in the Mystery Pups Series. See all Mystery Pups books here.
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Penny Dann is a well-known and highly talented children's illustrator, whose Secret Fairy range has sold over 1.5 million copies worldwide. She lives in Brighton.
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