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.

Retired scientist Miss Tracy comes to Ella Mentry School to teach about the planets and the solar system and casts A.J. as Uranus in the school play.

When pets go missing in Blue River Creek it is up to Ada to follow the scientific method by making a hypothesis, collecting data, and experimenting to find the missing animals.

In her third gripping adventure, Nim unearths an amazing opalized fossil, but this discovery puts her island in terrible danger. Nim lives on an island with her father, Jack, a marine iguana called Fred, a sea lion called Selkie, and their friend Alex Rover, the adventure writer. Nim's island is the most beautiful place in the world, and she wouldn't live anywhere else. When Jack invites a group of scientists to visit, they bring their children as...

"Welcome to Camp Mwhaaa-haa-ha-a-watha! This summer is going to be epic. Epically evil, that is. ‘ Cause I’ m going to Evil Scientist Summer Camp! No annoying little brothers. No annoying zombie goldfish. Just me, my best friend Sanj, our notebook of evil plans, and my truly evil (and totally forbidden) vampire kitten Fang. We’ ve got it all planned out. Okay, so maybe I didn’ t expect for the totally not-evil Geeky Girl to show up, or for...

Young MacDonald invents all sorts of mixed-up animals for his farm, including a BOG! At dinnertime, however, he must find a way to put things right before his parents see what he's done.

Dr. Clock invents a time machine, but his trip back to the era of the dinosaurs does not turn out as he had expected.

Maths whizz Alice Jones has already cracked a mystery or two. But when a scientist vanishes from a locked room, she faces her toughest case yet. Dr Learner had been working on an invisibility suit, but is wacky science really behind his disappearance? Or is it something more sinister? Fearless Alice won't stop till she knows the truth . . .

Victoria and her assistant, her dog Igor, set out to make amazing slime, but one night their creation unexpectedly comes to life.

Twelve-year-olds George, the very unlucky third Lord of Devonshire, and his neighbor, scientist Ada Byron, join forces against a nefarious group of criminals who steal the map to a priceless family heirloom.