62 books • 21 series
Book #6: Mystery of Skeleton Island
Book #7: Mystery of the Fiery Eye
Book #11: Mys of Talking Skull
Book #15: Mys of Flaming Footprints
Book #31: Mystery of the Scar-faced Beggar
Book #13: Secret of the Crooked Cat
Book #22: Mystery of the Dead Man's Riddle
Book #26: Mystery of the Headless Horse
Book #33: Mystery of the Purple Pirate
Book #38: Mystery of the Smashing Glass
Book #15: Mystery of the Flaming Footprints
Book #32: Mystery of the Blazing Cliffs
Book #39: Mystery of the Trail of Terror
Book #15: Htchk Myst Flam Ftprnt
Book #42: The Mys of Cranky Collector
Book #24: Alfred Hitchcock and the Three Investigators in the Mystery of Death Trap Mine
Book #20: Htchk Mys of Mnstr Mtn
Book #27: Htchck Mys Magic Crcl
Book #27: Hchck Myst Magic Circle
Case of the Dancing Dinosaur
Book #7: Case of the House of Horrors
Book #8: Case of the Savage Statue
Book #8: Case Savage Statue #8
Book #39: Myst of Trail of Terr
Book #23: Hitchck Myst Invis Dog
Book #21: Hchck SEC Haunted Mirror
Book #26: Hitck Mys Headless Horse
Book #28: Hchck Myst Deadly Double
Book #43: Myst Cranky Collector
Book #34: Myst of Wndring Cavemn
Book #4: Htchck Mys Grn Ghst-Pa
Book #5: The Mystery of the Vanishing Treasure
Book #5: Myst Vanish Treas-Htck
Book #11: The Mystery of the Talking Skull
Book #21: Secret of Haunted Mirr
Book #10: Myst of Moaning Cave
Myst Kidnapped Whale
Book #1: Htchck Scrt Terror Cas
Book #1: Secret of Terror Castl
Book #2: Myst Stuttering Parrot
Book #2: Ti #02 Myst of the Stuttering