Ellie's scientist grandfather has discovered a way to reverse aging, and consequently has turned into a teenager--which makes for complicated relationships when he moves in with Ellie and her mother, his daughter.

Takes beginning readers on a research boat to the North Pole where they can discover the many types of scientists.

The Earth is in the grip of a new Ice Age, and when twelve-year-old Eleanor's scientist mother disappears in the Arctic, Eleanor sets off on a dangerous journey to find her--and uncovers a mystery, a crime, and evidence that Earth has been visited by extraterrestrials.

Eerie Elementary is planning a big Halloween-type celebration for Eerie Day, including hosting a "haunted house" at the school itself; but the spirit of the evil scientist Orson Eerie sees this as the chance to finally triumph over the intrepid hall moniters, Sam, Lucy, and Antonio--and it is up to them to prevent a catastrophe and perhaps even defeat Orson and banish him from the school forever.

"Space-obsessed Murphy Shannon is pumped that his 6th grade class is visiting the Rayburne Observatory. Except, being a know-it-all means he's totally bored with the lectures he has to sit through. So when classmates Orly and Cleo say they should explore on their own, Murphy sneaks out with them. But when they come face-to-face with the strange Dr. Rayburne and his experiments, they realize they may be in way over their heads. A grand adventure in...

For the first time in years Eerie Elementary is planning a science fair, which may not be a good idea in a school which is alive and out to get the students--but when Sam and his friends find a book of experiments that contains all of Orson Eerie's notes, it may turn out to be the key they need to finally understand the mad scientist.