Pie for breakfast -- Bad eggs -- Flung -- Back to the drawing board -- Bricks and stones may break your bones -- What runs beneath -- Pilferer's progress -- Hitting the wall -- rest easy, ye fearful citizens -- What Yumley saw -- New neighbors -- Plight of Berenice -- Something's amiss in the junkyard -- Blustery day --- Turbinal -- Elocity -- Retracing steps -- To the sewers and beyond -- Cramped cave -- Lab in the dark -- Notes from underground -- On the warpath -- Inner sanctum -- Smelt -- Prankster's block -- Erratic behaviors -- Fish in a barrel -- Good twin, bad twin -- Last straw -- Mason strikes again -- Unusual suspects -- Read any good books lately? -- Man's best friend is a bee -- Pray for the prey -- Welcome to my parlor -- Great minds think alike -- Mysteries and miseries -- As the table turns -- View from the top -- Burial -- Fall of Edgar and Ellen -- Eugenia balks -- Seedy business -- Foundation day -- Drama behind the port-a-potties -- Mayor's bluff -- Confessions of a guilty anarchist -- How to build a very tall building -- Flight of the bowling ball -- Bob has a theory -- League of enemies -- Shoot.
Summary
Sinister twins Edgar and Ellen descend into Nod's Limbs vast sewer system to uncover the mystery of a rival mischief-maker.
