69 Case

A Case of the Clones

Ada Hopper

Case File 13: Zombie Kid

J. Scott Savage

The Case of the Exploding Loo

Rachel Hamilton

Greatest Ufo Case File

A Case of Grave Danger

Sophie Cleverly

The Case of the Missing Tiger's Eye

Walker Styles

Red Pepper Patients, with an account of Anne Linton's case in particular

Grace Richmond

The Case of the Case of Mistaken Identity

Mac Barnett

The Candy Caper Case: A QUIX Book

Paul DuBois Jacobs, Jennifer Swender

Case File 13 #3: Evil Twins

J. Scott Savage

Ada Lace, on the Case

Emily Calandrelli

Case File 13 #2: Making the Team

J. Scott Savage