★0.0 The Hidden Staircase by Carolyn Keene, Mildred Benson (Ghostwriter) ☆☆☆☆☆ ☆☆☆☆☆ 0.0/10 0 reviews
★0.0 The Mystery at Lilac Inn by Carolyn Keene, Russell H. Tandy (Illustrator), Mildred Benson (Introduction) ☆☆☆☆☆ ☆☆☆☆☆ 0.0/10 0 reviews
★0.0 The Mystery at the Moss-covered Mansion by Carolyn Keene, Mildred Benson (Ghostwriter), Russell H. Tandy (Illustrations) ☆☆☆☆☆ ☆☆☆☆☆ 0.0/10 0 reviews
