Dr. Yen Sin

Dr. Yen Sin #1: The Mystery of the Dragon's Shadow by Donald E. Keyhoe

Dr. Yen Sin #1: The Mystery of the Dragon's Shadow

Dr. Yen Sin

Donald E. Keyhoe

154 pages • missing pub info (editions)

fiction medium-paced
Dr. Yen Sin #3: The Mystery of the Singing Mummies by Donald E. Keyhoe

Dr. Yen Sin #3: The Mystery of the Singing Mummies

Dr. Yen Sin

Donald E. Keyhoe

164 pages • missing pub info (editions)

fiction medium-paced
Dr. Yen Sin #2: The Mystery of the Golden Skull by Donald E. Keyhoe

Dr. Yen Sin #2: The Mystery of the Golden Skull

Dr. Yen Sin

Donald E. Keyhoe

168 pages • missing pub info (editions)

fiction medium-paced