Behind the gym -- Jill is given a task -- The sailing of the king -- A parliament of owls -- Puddleglum -- The wild waste lands of the north -- The hill of the strange trenches -- The house of Harfang -- How they discovered something worth knowing -- Travels without the sun -- In the dark castle -- The queen of underland -- Underland without the queen -- The bottom of the world -- The disappearance of Jill -- The healing of harms.

Two English children undergo hair-raising adventures as they go on a search and rescue mission for the missing Prince Rilian, who is held captive in the underground kingdom of the Emerald Witch.