• 2 Information School Library
• 2 Memorial Library
• 1 Cooperative Children's Book Center (CCBC)
• 1 ILL Library

• 12 Books
• 1 Sound Recordings

• 4 Mystery and detective stories
• 4 Schools
• 4 Secrecy
• 3 Puzzles
• 3 Secrets
• 2 Boarding schools
• 2 Families
• 2 High schools
• 2 Inheritance and succession
• 2 Investigation
• 2 Missing persons
• 2 Murder
• 2 Wealth
• 1 Asperger's syndrome
• 1 Autism
• 1 Autistic Disorder
• 1 Best friends
• 1 Black market
• 1 Blessing and cursing
• 1 Camp counselors
• 1 Camps
• 1 Caregivers
• 1 Children of divorced parents
• 1 Cold cases (Criminal investigation)
• 1 Crime

• 2 Barnes, Jennifer Lynn
• 2 Preston, Natasha
• 1 Boulley, Angeline
• 1 Cavallaro, Brittany
• 1 Farrow, Dylan, 1985-
• 1 Haddon, Mark, 1962-
• 1 Hesse, Monica
• 1 Johnson, Maureen, 1973-
• 1 Meyer, Stephenie, 1973-
• 1 Roehrig, Caleb

• 12 English

• 1 Amsterdam
• 1 England
• 1 Michigan
• 1 Native Americans
• 1 Netherlands
• 1 North America
• 1 Seattle
• 1 Seattle (Wash.)
• 1 Vermont
• 1 Washington (State)

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