39 Clues series by various authors

Cam Jansen by David A. Adler

The Seer of Shadows by Avi

Chasing Vermeer by Blue Balliet

The Secret of Castle Cant by K. P. Bath

Cicada Summer by Andrea Beaty

The Mansion in the Mist by John Bellairs

The Potato Chip Puzzles by Eric Berlin

Shakespeare’s Secret by Elise Broach

The Sisters Grimm series by Michael Buckley

Herculeah Jones Mysteries by Betsy Comer Byers

Skeleton Creek by Patrick Carman

A Case for Jenny Archer by Ellen Conford

The Light on Hogback Hill by Cynthia DeFelice

Hardy Boys by Franklin Dixon

The London Eye Mystery by Siobhan Dowd

Dovey Cove by Frances O’Roark Dowell

Hank the Cowdog by John R. Erickson

The Girl Who Could Fly by Victoria Forester

Scooby-Doo! Mysteries by James Gelsey

The Cat Royal Adventures series by Julia Golding

Chet Gecko Mysteries by Bruce Hale

Wrapped in a Riddle by Sharon E. Heisel

Scat by Carl Hiaasen

American Girl History Mysteries by Holly Hughes

Sugar Creek Gang by Paul Hutchins

Nancy Drew by Carolyn M. Keene

From the Mixed-up Files of Mrs. Basil E. Frankweiler by E.L. Konigsburg

On the Run series by Gordon Korman

The Fugitive from Corinth by Caroline Lawrence

Troubling a Star by Madeleine L’Engle

Hawkeye Collins and Amy Adams series by M. Masters

A Deadly Promise by Joan Lowery Nixon

Spider Kane and the Mystery at Jumbo Nightcrawler’s by Mary Pope Osborne

Jigsaw Jones by James Preller

The Westing Game by Ellen Raskin

A to Z Mysteries by Ron Roy

The Capital Mysteries series by Ron Roy

The Secret of Laurel Oaks by Lois Ruby

High Rise Private Eyes by Cynthia Rylant

Nate the Great by Marjorie Weinman Sharmat

Encyclopedia Brown by Donald Sobol

Enola Holmes Mysteries by Nancy Springer

Third Grade Detectives series by George Stanley

When You Reach Me by Rebecca Stead

Mysterious Benedict Society series by Trenton Lee Stewart

Geronimo Stilton series by Geronimo Stilton

Sammy Keyes series by Wendelin Van Draanan

The Callendar Papers by Cynthia Voight

Boxcar Children by Gertrude Chandler Warner