Cá bfhuil an Seachtar? /
Blyton, Enid,author.
Ross, Tony,illustrator.
Ní Chualáin, Caitlín,translator.
Originally published in English in Enid Blyton's magazine annual no. 2, 1955. This edition first published in English as Where are the Secret Seven?, London : Hodder Children's Books, 2016.