102 books • 22 series
Davy Jones' Haunted Locker
Htchck Mys Green Ghost
Mystery of the Green Ghost (Armada Books, #4) (The Three Investigators, #4) (Three Investigators S., #4) (Alfred Hitchcock Books) (Alfred Hitchcock Books) (Alfred Hitchcock Books)
Htchck Scrt Terror Cas (The Three Investigators, #1)
Htchck Secr Terr Castl
Htchk Myst Stut Parrot (The Three Investigators, #2)