"Fielding Bliss has never forgotten the summer of 1984: the year a heat wave scorched Breathed, Ohio. The year he became friends with the devil. Sal seems to appear out of nowhere - a bruised and tattered thirteen-year-old boy claiming to be the devil himself answering an invitation. Fielding Bliss, the son of a local prosecutor, brings him home where he's welcomed into the Bliss family, assuming he's a runaway from a nearby farm town. When word spreads...

When Ted and Kat's cousin Salim disappears from the London Eye ferris wheel, the two siblings must work together--Ted with his brain that is "wired differently" and impatient Kat--to try to solve the mystery of what happened to Salim.

When Angie and Alex arrive at Camp Dakota, a thick fog envelops everything and when the campers start finding mysterious notes with hints about a Fog Zombie, their counselors teach them about solids, liquids, gases, and the properties of matter to uncover the meaning of the clues. Includes glossary and experiments.