
The Case of the Secret Signal
Brian Gallagher
Publisher: The O'Brien Press
Summary
Ireland, 1911 A secret signal flashes in the night … It's an SOS. Is someone being held prisoner? Friends Tim, Deirdre and Joe set out to investigate. What starts as a diversion while on holiday in Carlingford quickly spirals into a dangerous adventure. Can they solve the case before it's too late? And who can they trust?