Johnny Swanson is in shock. His friend Doctor Langdon and his wife have disappeared without a trace. And that's not all . . . it appears they have been murdered. But things are about to become much, much worse. A suspect has been arrested . . . and it's Johnny's mother. Johnny knows she didn't do it. And now, he needs to prove it - fast. Join brave, determined, ingenious Johnny as he embarks on a fast-paced hunt for the true killer - and exposes a deadly, dangerous secret along the way.

 

There are 384 pages in this book. This book was published 2014 by Random House Children's Publishers UK .

Eleanor Updale is the author of the popular Mortmorency series. She has won several awards including the Blue Peter Award and been shortlisted for the Carnegie medal and the Smarties Prize. Eleanor is also a member of various children's charities and holds a PhD in History.