Here's a clue.... some good books are below.
Alternate Title: Chris Grabenstein presents superpuzzletastic mysteries
Length: 378 pages :
Subjects:
by Oliver, Lauren
Length: xxxiv, 348 pages :
Subjects:
by Johnson, Varian
Length: 331 pages ;
Subjects:
by Selznick, Brian
Length: 191 pages :
Subjects:
by Keene, Carolyn
Length: 180 pages :
Subjects:
by Stratford, Jordan
Alternate Title: Missing moonstone
Length: 1 online resource
Subjects:
by Milford, Kate
Alternate Title: Green glass house
Length: 376 pages ;
Subjects:
by Grabenstein, Chris
Alternate Title: Escape from Mister Lemoncello's library
Length: 291 pages :
Subjects:
by Turnage, Sheila.
Alternate Title: 3 times lucky
Length: 312 p. :
Subjects:
by Fitzhugh, Louise.
Subjects:
by Grisham, John
Length: 263 pages ;
Subjects:
by Wood, Maryrose
Length: 267 pages ;
Subjects:
by Springer, Nancy.
Length: 216 p. ;
Subjects:
by Denton, Shannon Eric.
Alternate Title: Gertrude Chandler Warner's The Boxcar Children
Length: 32 pages :
Subjects:
by Riordan, Rick
Length: 220 pages :
Subjects:
by Bosch, Pseudonymous
Length: 360 pages :
Subjects:
by Stewart, Trenton Lee
Length: 485 pages :
Subjects:
by Warner, Gertrude Chandler
Length: 154 pages :
Subjects:
by Balliett, Blue
Length: 254 pages :
Subjects:
by Sharmat, Marjorie Weinman
Length: 60 pages :
Subjects:
by Hiaasen, Carl
Length: 292 pages ;
Subjects:
by Adler, David A.
Alternate Title: Cam Jansen and the mystery of the stolen diamonds
Alternate Title: Mystery of the stolen diamonds
Length: 58 pages :
Subjects:
by Konigsburg, E. L.
Length: 162 pages :
Subjects:
by Roy, Ron
Alternate Title: Absent author
Length: 86 pages :
Subjects:
by Raskin, Ellen
Length: 182 pages ;
Subjects: