Three Cheers, Secret Seven

(2013) In book eight, Peter and Jack go looking for their lost model aeroplane in an old abandoned house and find a lit fire in one of the rooms. Who is living there, and why?

Looks like the Secret Seven have another interesting case to solve.

First published in 1956, this anniversary edition features the original text as well as extra stories, a quiz, additional artwork and insights into Blyton’s life and writing process. Both cover and inside illustrations were created by Tony Ross in 2013.