The Secret Key

The Secret Key

Paperback Published on: 28/06/2018
In stock
Usually dispatched within 2-3 working days
Make and edit your lists in your account
Check click & collect stock near you
Collect today: Pay in shop

Bookseller Reviews

View all
The Secret Key
Perfect summer mystery for everyone aged 8 to 108.
When a water crisis hits London amateur dectective Agatha Oddlow is the only person to link it to other obscure crimes and goings on and finally gets her c... READ MORE
The Secret Key
Charming Upbeat Mystery set in Modern London
Perfect for anyone looking for an upbeat mystery, THE SECRET KEY is a fun opener to a new series with a quirky plot and charming prose. From what I can te... READ MORE
Clara at Barnet


Meet thirteen-year-old Agatha Oddly – a bold, determined heroine, and the star of a stylish new detective series. Agatha Oddlow has been a detective for as long as she can remember – she’s just been waiting for her first big case. And nothing gets bigger than saving the City of London from some strange goings-on. With a scholarship to the prestigious St Regis School, a cottage in the middle of Hyde Park, a room full of beloved sleuthing novels, and a secret key that gives her access to a whole hidden side of London, Agatha is perfectly poised to solve the mystery of what’s going on. But just who can she trust when no one is quite who they seem…

  • Publisher: HarperCollins Publishers
  • ISBN: 9780008211837
  • Number of pages: 336
  • Weight: 240g
  • Dimensions: 198 x 129 x 21 mm

Customer Reviews

View all
The Secret Key
Great new series
Once again thank you to the lovely HarperCollins for my review copy. I am certainly a fan of a detective novel so this was right up my street and a book on... READ MORE
Fiona Sharp
The Secret Key
Agatha Oddly the secret key!
I enjoyed this book very much, I couldn't put it down. I spent hours reading it and finished in one sitting! I would recommend this book to people who like... READ MORE
Adam Lerwill
The Secret Key
BEST book ever!
I've never read a book better than Agatha Oddly in my life. The audio books are also really good. Iris (age 10)
David Rowbotham
The Secret Key
It is Fantastic
Agatha oddly is an inspiration to young girls because she is brave and she never gives up.
The Secret Key
An amazing book for the start of an amazing new series!
I could not put it down!
n barber
The Secret Key
Wow wow WOW. This was so epically AMAZING. Such a great detective mystery MG, & I love the way this was done. Meet 13 year-old Agatha Oddly – a bold, deter... READ MORE
Belle’s Middle Grade