Thievery at twelve thousand feet. Hoping to intercept the Mauve Moth before they execute their next great heist, Inspector Toadius McGee and his protege John Boarhog book passage on the H.M.R.A.S. Bouteille--a luxury cruise liner airship. But alas, there will be no clear skies ahead. A committee from the Society of Sleuths is also aboard, ready to put John through his first trial to gain full membership, despite Toadius's objections. Furious with...

After twelve-year-old John Boarhog’s mom dies, the last thing he wants is to be schlepped off to the Jersey Home for Boys, where kids are forced to make skinny jeans for hipsters and are fed nothing but kale. Instead, he makes himself a snug home in the ceiling of the New York Museum of Natural History, where he reads anything he get his hands on and explores the artifacts afterhours. But when a rare Egyptian ruby—the highlight of the museum’s...