Malorie Blackman 
Hacker 

THIS IS THE SYSTEM OPERATOR.
WHO IS USING THIS ACCOUNT? PLEASE IDENTIFY YOURSELF…
Vicky»s life is completely normal. Maybe even a little boring.
But all that changes when her dad is accused of stealing a million pounds from the bank where he works.
Vicky knows for sure that her dad is innocent, and is determined to prove it.
Luckily for him, she is a seasoned computer hacker. Using the skills he taught her, she»s going to attempt to break the bank»s files. Should be simple, right?
But it»s a race against time to find the cyber-thief, before they find her . . .
»A page-turner» — Sunday Express
»Accept the expertise and race along with the plot» — Observer