11- 13 Years Humor Mystery & Thriller Books

Gravity Falls Dipper's and Mabel's Guide to Mystery and Nonstop Fun by Rob Renzetti

The Grim Grotto- Book the Eleventh A Series of Unfortunate Events by Lemony Snicket

The Hostile Hospital- Book the Eighth A Series of Unfortunate Events by Lemony Snicket

The Penultimate Peril- Book the Twelfth A Series of Unfortunate Events by Lemony Snicket

The Austere Academy- Book the Fifth A Series of Unfortunate Events by Lemony Snicket

The Slippery Slope- Book the Tenth A Series of Unfortunate Events by Lemony Snicket

The End- Book the Thirteenth A Series of Unfortunate Events by Lemony Snicket

The Reptile Room- Book the Second A Series of Unfortunate Events by Lemony Snicket

The Ersatz Elevator- Book the Sixth A Series of Unfortunate Events by Lemony Snicket

The Wide Window- Book the Third A Series of Unfortunate Events by Lemony Snicket

Holes by Louis Sachar

The Vile Village- Book the Seventh A Series of Unfortunate Events by Lemony Snicket