NOVELS SHORT STORIES POETRY CHILDREN'S BOOKS The Black Box by E. Phillips Oppenheim — 1915 — 1. SANFORD QUEST, CRIMINOLOGIST 2. THE APARTMENT-HOUSE MYSTERY 3. THE HIDDEN HANDS 4. THE POCKET WIRELESS 5. AN OLD GRUDGE 6. ON THE RACK 7. THE UNSEEN TERROR 8. THE HOUSE OF MYSTERY 9. THE INHERITED SIN 10. LOST IN LONDON 11. THE SHIP OF HORROR 12. A DESERT VENGEANCE 13. ’NEATH IRON WHEELS 14. TONGUES OF FLAME 15. ”A BOLT FROM THE BLUE” 16. JUSTICE CHEATED