"3 books in 1".
"9+"--cover.
The mystery of the burnt cottage
The mystery of the disappearing cat
The mystery of the secret room.
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
The mysteries collection. Vol. 1 by Enid Blyton. ISBN 9781405263795. Published by Egmont in 2012. Publication and catalogue information, links to buy online and reader comments.
