The case of the counterfeit criminals / Stratford, Jordan

When the famed dinosaur fossil hunter Mary Anning is being blackmailed, the Wollestonecraft girls are on the case. With just three days to track down the criminals, find Mary Anning's missing dog, and save the name of science, this might be the girls' toughest case yet.

When a dinosaur fossil hunter is blackmailed by kidnappers who need her to fake a validation in return of her beloved pooch, Ada and Mary are given three days to find the offenders and save the scientist's reputation.