April round up

and

More letters to Enid

The two boys held their breath. Good gracious! They were right in the middle of something very queer! Why were these men meeting at this tumbledown place? Who were they and what were they doing?

Jack and George stumble upon a mystery in Secret Seven on the Trail.

The Adventurous Four is set in Scotland and features Andy, a fisherboy, twins Mary and Jill and their always hungry brother, Tom. The four children take a sailing trip and get shipwrecked. If that’s not adventurous enough the island they land on is being used by some strange men with a nefarious purpose.