Alfred Hitchcock and The Three Investigators

The Secret of the Haunted Mirror by M.V. Carey, Jack Hearne

The Secret of the Haunted Mirror

Alfred Hitchcock and The Three Investigators #21

M.V. Carey, Jack Hearne

145 pages • paperback • 1974

fiction middle grade mystery mysterious fast-paced
The Mystery of the Dead Man's Riddle by William Arden

The Mystery of the Dead Man's Riddle

Alfred Hitchcock and The Three Investigators #22

William Arden

115 pages • digital • 1974

fiction middle grade mystery adventurous mysterious tense fast-paced
The Mystery of the Invisible Dog by M.V. Carey

The Mystery of the Invisible Dog

Alfred Hitchcock and The Three Investigators #23

M.V. Carey

145 pages • hardcover • 1975

fiction middle grade mystery adventurous mysterious fast-paced
The Mystery of Death Trap Mine by M.V. Carey

The Mystery of Death Trap Mine

Alfred Hitchcock and The Three Investigators #24

M.V. Carey

152 pages • hardcover • 1976

fiction middle grade mystery adventurous mysterious fast-paced
The Mystery of the Dancing Devil by William Arden

The Mystery of the Dancing Devil

Alfred Hitchcock and The Three Investigators #25

William Arden

134 pages • digital • 1976

fiction middle grade mystery mysterious fast-paced
The Mystery of the Headless Horse by William Arden

The Mystery of the Headless Horse

Alfred Hitchcock and The Three Investigators #26

William Arden

144 pages • 1977

fiction middle grade mystery lighthearted mysterious medium-paced
The Mystery of the Magic Circle by M.V. Carey, Jack Hearne

The Mystery of the Magic Circle

Alfred Hitchcock and The Three Investigators #27

M.V. Carey, Jack Hearne

150 pages • hardcover • 1978

fiction middle grade mystery mysterious medium-paced
The Mystery of the Deadly Double by William Arden, Herb Mott

The Mystery of the Deadly Double

Alfred Hitchcock and The Three Investigators #28

William Arden, Herb Mott

147 pages • digital • 1978

fiction middle grade mystery mysterious fast-paced
The Mystery of the Sinister Scarecrow by M.V. Carey

The Mystery of the Sinister Scarecrow

Alfred Hitchcock and The Three Investigators #29

M.V. Carey

151 pages • digital • 1979

fiction middle grade mystery adventurous mysterious fast-paced
The Secret of Shark Reef by William Arden

The Secret of Shark Reef

Alfred Hitchcock and The Three Investigators #30

William Arden

181 pages • digital • 1979

fiction middle grade mystery mysterious medium-paced