"To the Viking Club - We are going to do something terrible to your club very soon. You can't do anything to stop us."
This omiinous note from a rival club warns of a plot to discover the site of the Viking Club's secret hide-out. Learning of the plot, Viking Club members Matt and Sam Burns and their friend Beany devise a clever plan to outwit their foes and save their hide-out.
A rousing sequel to The Secret Hide-out, this book will be savored by any child who likes a story full of adventure and suspense-whether he has or has not read the first volumn. Abundant illustrations by the author enhance the text.