When Annabelle and Harry's pet dog goes missing the children believe that the local pet thief has struck again. With their mum working as a DNA scientist from a laboratory in their garden, the children realise they can secretly use their mum's laboratory to solve the crime. Annabelle and harry become 'DNA Detectives' and, just like real-life forensic scientists, they go on an exciting adventure to try and solve the case. ASE Book Award winner.
