The Thief of Always by Clive Barker

Harvey Swick is a normal 10-year-old boy, bright but bored with his life as he's stuck with the winter blues. Beguiled with Mr. Hood and his whimsical Holiday House, Harvey finds himself in a world full of magic and bliss. For a thousand years, countless children have been welcomed with open arms—so long as you play by its rules. It isn't until Harvey sees a darker side that he starts to understand the consequences of his desperation, and doubt Mr. Hood and his magical home. The house, however, will not let young Harvey go without a fight.