""The world that the children enter as soon as they get off the train in the Lake District is as separate from their everyday world as Hogwarts or Narnia... For most readers, the idea of cooking trout you have caught yourself is as strange and poetic as the idea of casting a spell that turns a teacup into a turtle." --Guardian" "'Ahoy! Ahoy! Swallows! Ahoy!'" Have you ever sailed in a boat or built a camp? Have you caught trout and cooked it yourself? The four Swallows, John, Susan, Titty and Roger return to the lake full of such plans and they can't wait to meet up with Nancy and Peggy, the Amazon Pirates. When the "Swallow" is shipwrecked and the Amazon's fearsome Great-Aunt makes decides to make a visit their summer seems ruined. Then they discover a wonderful hidden valley and things take a turn for the better.