In this new thriller Hal Keen finds mystery and adventure in and about a lonely lighthouse on Skeleton Rocks, off the Maine coast. THE DOOM OF STARK HOUSE Mystery and terror in an old house in the wilderness above Quebec where Hal Keen is the guest of a strange family. GROSSET & DUNLAP, _Publishers_, NEW YORK ------------------------------------------------------------------------ THE JUDY BOLTON MYSTERY STORIES By MARGARET SUTTON Here is a new series of mystery stories for girls by an author who knows the kind of stories every girl wants to read--mystery of the "shivery" sort, adventure that makes the nerves tingle, clever "detecting" and a new lovable heroine, Judy Bolton, whom all girls will take to their hearts at once. THE VANISHING SHADOW Judy's safety is threatened by a gang of crooks who think she knows too much about their latest "deal." She is constantly pursued by a mysterious shadow which vanishes before she can get a glimpse of its owner. THE HAUNTED ATTIC The Boltons move into a large rambling house reputed to be haunted. Even the brave Judy who has looked forward to "spooky" goings on is thoroughly frightened at the strange scrapings and rappings and the eery "crying ghost." THE INVISIBLE CHIMES Through an automobile accident a strange girl is taken into the Bolton household--the whole family becomes attached to her and interested in her story. Judy tracks down many clues before she finally uncovers the real identity of "Honey." SEVEN STRANGE CLUES Judy gets to the bottom of a mystery that centers around a prize poster contest and a fire in the school building--through seven baffling clues that hold the key to the answer. GROSSET & DUNLAP, _Publishers_, NEW YORK ------------------------------------------------------------------------ THE NANCY DREW MYSTERY STORIES By CAROLYN KEENE Illustrated. Every Volume Complete in Itself. Here is a thrilling series of mystery stories for girls. Nancy Drew, ingenious, alert, is the daughter of a famous criminal lawyer and she herself is deeply interested in his mystery cases. Her interest involves her often in some very dangerous and exciting situations. THE SECRET OF THE OLD CLOCK Nancy, unaided, seeks to locate a missing will and finds herself in the midst of adventure. THE HIDDEN STAIRCASE Mysterious happenings in an old stone mansion lead to an investigation by Nancy. THE BUNGALOW MYSTERY Nancy has some perilous experiences around a deserted bungalow. THE MYSTERY AT LILAC INN Quick thinking and quick action were needed for Nancy to extricate herself from a dangerous situation. THE SECRET AT SHADOW RANCH On a vacation in Arizona Nancy uncovers an old mystery and solves it. THE SECRET OF RED GATE FARM Nancy exposes the doings of a secret society on an isolated farm.