Young Reader Thriller

High school sleuths P.C. Hawke and Mackenzie Riggs quickly regret their decision to take a difficult calculus class from a tough instructor at Columbia University. But even though she's mean, Professor Dunaway certainly seems an unlikely candidate for murder. Though there are plenty of suspects, a lot of things about this case just don't add up.

A trip to the French Riviera should be a nice vacation for high school super-sleuth P.C. Hawke and his best friend Mackenzie. But when a woman is murdered at their hotel, P.C. and Mac can't just sit around and wait for the cops solve the crime.

Meet Karrine, a clever, witty twelve-year-old with her own detective agency. "No job is too big" is her motto. In "Dognapped", Karrine scours the city to find the beloved stolen pet of a kind older woman. In the "Magical Disappearing Act", a magician’s assistant disappears, and it’s up to Karrine to solve the mystery. In "The Painted Ponies", Karrine, along with her quirky cousin, Jayden, who has come for a summer visit, must discover who would want to paint all the ponies in Mr. Jackson’s stable.

Ellie is a 12-year-old vampire that loves solving mysteries, but is afraid of...everything. She's afraid of spiders, clowns, and loud noises - just to name a few. And her pesky sister, Penny, never lets her forget it. But with a little courage and help from her friends, Ellie just might achieve her dream of becoming a real detective. When Ellie attends the royal vampire wedding, all she can think about is her wish to solve a real mystery. The next thing she knows, the entire wedding and all its guests have been frozen solid!

En començar el curs, en Víctor tem que en Marçal Batallé torni a buscar-li les pessigolles i hagi d?acabar al despatx de direcció. Però enguany les coses són ben diferents, ja que amb l´arribada de l´Ícar, el noi nou, en Batallé troba una nova distracció i deixa en pau en Víctor. Mentrestant, un misteriós esdeveniment deixa tothom entre consternat i atemorit: la Mà Negra ataca i ningú, ni el busca-raons d?en Batallé, no pot evitar les seves malifetes!