Look Out, Secret Seven
The Secret Seven are siblings Peter and Janet, and Jack, Barbara, Pam, Colin and George. Together they are The Secret Seven - ready to solve any mystery, any time - in Enid Blyton's classic series of 15 mystery novels.
In book fourteen, Scamper the spaniel discovers an unwanted visitor, then he protects the Secret Seven as they spy on a thief late at night in Bramley Woods! What on earth would the Secret Seven do without their dog?