SIGN OF FOUR +CD STEP FOUR B2.1: The Sign of Four + audio CD (Reading and training) - 9788853005977 - Softcover

Sherlock Holmes took his bottle from the corner of the mantel- piece, and his hypodermic syringe from its neat morocco case. With his long, white, nervous fingers he adjusted the delicate needle and rolled back his left shirtcuff. For some little time his eyes rested thoughtfully upon the sinewy forearm and wrist, all dotted and scarred with innumerable puncture-marks.