Harry Potter and the Chamber of Secrets (Harry Potter #2) by J. K. Rowling

'There is a plot, Harry Potter. A plot to make most terrible things happen at Hogwarts School of Witchcraft and Wizardry this year'.

HARRY POTTER'S summer has included the WORST birthday ever, DOOMY warnings from a HOUSE-ELF called DOBBY, and RESCUE from the Dursleys by his friend Ron Weasley in a magical
FLYING car! Back at HOGWARTS SCHOOL OF WITCHCRAFT AND WIZARDY for his second year, Harry hears strange WHISPERS echo through empty corridors - and then the ATTACKS start. Students are found as though turned to stone ... Dobby's SINISTER predictions seem to be coming TRUE.