[en] [Buddy Files 01] • Buddy Files 1 · Case of the Lost Boy Albert Whitman Company
[en] [The Haunted Library 04] • The Five O'Clock Ghost Grosset & Dunlap
[en] [The Treasure Troop 02] • The Hidden Room Penguin Workshop
[en] [The Haunted Library 07] • The Ghost in the Tree House Grosset & Dunlap
[en] The Haunted Library Grosset & Dunlap
[en] The Ghost in the Attic Grosset & Dunlap
[en] [The Haunted Library 10] • The Underground Ghosts Grosset & Dunlap
[en] [The Haunted Library 09] • The Ghosts at the Movie Theater Grosset & Dunlap
[en] [Monkey Man 02] • Yes, I Know the Monkey Man Peachtree Publishers
[en] [Buddy Files 01] • The Case of the Lost Boy Albert Whitman & Company
[en] [The Haunted Library 08] • The Hide-and-Seek Ghost Grosset & Dunlap
[en] [Buddy Files 02] • Buddy Files 2 · Case of the Mixed-Up Mutts Albert Whitman Company
[en] [Buddy Files 06] • Buddy Files 6 · Case of the School Ghost Albert Whitman Company
[en] [Buddy Files 05] • Buddy Files 5 · Case of the Library Monster Albert Whitman Company
[en] [Buddy Files 03] • Buddy Files 3 · Case of the Missing Family Albert Whitman Company
[en] [Buddy Files 06] • Case of the School Ghost Albert Whitman Company
[en] [Monkey Man 01] • Do You Know the Monkey Man? Peachtree Publishers
[en] The Case of the Missing Family Albert Whitman Company
[en] Sliding into Home Peachtree Publishers
[en] [The Haunted Library 02] • Haunted Library 2 · the Ghost in the Attic Grosset & Dunlap