Sammy Keyes and the Search for Snake Eyes
by Wendelin Van Draanen | 
Sammy Keyes and the Art of Deception
by Wendelin Van Draanen | 
Mystery of the Haunted Pool
by Phyllis A. Whitney | 
The Tattooed Potato and Other Clues
by Ellen Raskin | 
Behind the Curtain
by Peter Abrahams | 
Sammy Keyes and the Hollywood Mummy
by Wendelin Van Draanen | 
The Dark Stairs
by Betsy Byars | 
Sammy Keyes and the Hotel Thief
by Wendelin Van Draanen |
The Mystery of the Green Ghost
by Robert Arthur |
The Mystery of the Whispering Mummy
by Robert Arthur |
Sammy Keyes and the Sisters of Mercy
by Wendelin Van Draanen |
Sammy Keyes and the Runaway Elf
by Wendelin Van Draanen |
Twisted Summer
by Willo Davis Roberts |
The Mystery of the Stuttering Parrot
by Robert Arthur | 
The Secret of Skeleton Island
by Robert Arthur |
Magic Elizabeth
by Norma Kassirer | 
The Last Treasure
by Janet Anderson | 
The Mostly True Story of Jack
by Kelly Barnhill |
Dragon on Trial
by Tui T. Sutherland | 
The Golden Acorn
by Catherine Cooper |
Margaret's mother takes her and her little sister Sophie out to an old abandoned mansion, and puts a for sale sign outside it, refusing to explain anything about it. Gradually the mystery of her family unravels.