Malorie Blackman 
A.N.T.I.D.O.T.E. 

It »s just your average Friday night. Then the police show up.
Your mum »s been caught on CCTV, breaking into a giant chemical company. They say she »s working undercover for A.N.T.I.D.O.T.E, a group against animal testing – but how is that possible? She »s not a spy – is she? Now she »s on the run – and only you can uncover the truth. And you »ve got to crack a code to do it.
A gripping story from the bestselling author of Noughts and Crosses, Malorie Blackman.