Poseidon's Academy and the Olympian Mysteries: A Tween Fantasy Series
Sarah A. Vogler
Wonder Show: A Tween Mystery About a Runaway Girl, a Missing Father, and a Traveling Circus of Secrets
Hannah Barnaby
Nora and the Mermaid's Monster: A Magical Mystery Adventure for Tweens and Teens Ages 9-13, Grades 4-7 (A Croswald Story)
D.E. Night
Nora and the Mermaid's Monster: A Magical Mystery Adventure for Tweens and Teens Ages 9-13, Grades 4-7 (A Croswald Story) (Croswald Series)
D.E. Night
The One Hundredth Thing About Caroline: A Clever Tween Mystery About Siblings Catching a Criminal for Kids (Ages 10-12) (Just the Tates! Book 1)
Lois Lowry
#5 The Vanishing Turtle Mascot (Ginger Fiddlefern Tween Mysteries)
Jane Elmore
#9 Petals, Pots, and Paw Prints (Ginger Fiddlefern Tween Mysteries)
Jane Elmore
#1 The Treasure Map in the Textbook (Ginger Fiddlefern Tween Mysteries)
Jane Elmore
#6 The Case of the Wedding Dessert Disaster (Ginger Fiddlefern Tween Mysteries)
Jane Elmore
#7 The Great Laptop Heist (Ginger Fiddlefern Tween Mysteries)
Jane Elmore
#10 The Vending Machine Snack Bandit (Ginger Fiddlefern Tween Mysteries)
Jane Elmore
#4 The Case of the Missing Champion (Ginger Fiddlefern Tween Mysteries)
Jane Elmore
#8 Surf's Up, Secrets Out! (Ginger Fiddlefern Tween Mysteries)
Jane Elmore
#9 Petals, Pots, and Paw Prints (Ginger Fiddlefern Tween Mysteries)
Jane Elmore
#3 The Candy Bar Ice Cream Caper (Ginger Fiddlefern Tween Mysteries)
Jane Elmore
Bible Fun for Tweens: Mysteries, Riddles, Puzzles, and More
Marcia Stoner
#10 The Vending Machine Snack Bandit (Ginger Fiddlefern Tween Mysteries)
Jane Elmore
#2 The Great Salt Harbor Science Heist (Ginger Fiddlefern Tween Mysteries)
Jane Elmore
Hard Riddles for Smart Kids Ages 10-12: 300 Mind Benders, Logic Puzzles, Trick Questions, and Detective Mysteries for Tweens and Teens
Emily Woods
Homework is Hard, Murder is Easy: An Impossible Crime, Murder Mystery Book for Teens and Tweens, Boys and Girls Age 11-15 (The North Hollywood Detective Club 6)
Mike Mains