26 books • 5 series
Book #2: Dragon Force: Devourer's Attack
Book #2: Devourer's Attack
Book #1: Sam Wu Is Not Afraid of Ghosts
Book #2: Sam Wu Is Not Afraid of Sharks
Book #3: Sam Wu Is Not Afraid of the Dark
Book #4: Sam Wu Is Not Afraid of Spiders
Book #7: Sam Wu is NOT Afraid of Space!