The lost key
2009
The secret ghost
2010
The book bandit
2011
Manga Math Mysteries A Mystery With Fractions
2011
SAS programming II
2004
The hundred-dollar robber
2009
The kung fu puzzle
2009
The Kung Fu Puzzle: A Mystery with Whole Numbers
2009
The Secret Ghost: A Mystery with Whole Numbers
2009
The Hundred-Dollar Robber: A Mystery with Whole Numbers
2009
The Lost Key: A Mystery with Whole Numbers
2009
Fishy Fountain
2017
Secret Ghost
2017
#7 the Book Bandit
2010
Fishy Fountain No. 6
2010
No. 2 Hundred-Dollar Robber
2010
No. 4 Kung Fu Puzzle
2010
No. 1 Lost Key
2010
No. 3 Secret Ghost
2010
#1 the Lost Key
2009
The runaway puppy
2010
The Fishy Fountain A Mystery With Multiplication And Division
2011
#6 the Fishy Fountain
2011
