Harry Potter: Ravenclaw House

Lauren, a clever girl lost in Userland, applies logic and problem solving skills to find her way home, encountering along the way such concepts as timing attacks, algorithm design, and the traveling salesman problem.

The twelve-year-old twins John and Abigail Templeton are both clever, pragmatic, theoretical, and cryptic. Their father is sort of a brilliant scientist, and because of that the adult twins Dean D. Dean and Dan D. Dean kidnap John and Abigail to hold them for ransom in order to get one of Mr. Templeton's inventions. The twins use their brains and eventually figure things out.

As almost thirteen-year-old Ben, a student at the CIA's academy for future intelligence agents, prepares to go to spy summer camp, he receives a death threat from the evil organization SPYDER.

When Reuben discovers an antique watch that was mortared into the wall, he soon learns it has a secret power. As one secret leads to another, Reuben finds himself torn between his innately honest nature and the lure to be a hero. Now he is on a dangerous adventure, and with fearless Penny, mighty Jack, and the wise Mrs. Genevieve on his side, Reuben must outwit and outmaneuver the sly villain called The Smoke and his devious defenders the Directions,...

In these tales inspired by traditional Indian folktales, Prince Veera and his best friend Suku are given the opportunity to preside over the court of his father, King Bheema. Some of the subjects' complaints are easy to address, but others are much more challenging. How should they handle the case of the merchant who wants to charge people for enjoying the smells of his sweets? Or settle the dispute between a man who sells a well to a neighbor, but...

Mori and her friends live a normal life on Firefly Lane in Old Harmonie, a utopian community where every kid knows he or she is genetically engineered to be better and smarter, but when a strangely perfect new girl named Ilana moves in, the friends begin to question the only world they have ever known.

About the time that her father was diagnosed with cancer, Jade invented Zoe, an imaginary friend in the pages of her notebook that she could depend on; then one of her classmates, Gresham Gorham (called Clue), somehow brings Zoe to life, and Jade suddenly has a best friend, one she can still control by what she writes in her notebook--but soon Jade begins to wonder how much a friendship is worth if you are calling all of the shots, and whether she...