Books by Robert Arthur

Known for the The Three Investigators series, Robert Arthur writes middle grade and young adult for ages 8–14, alongside 2 standalone books, exploring themes of curiosity & wonder, fear & bravery, mystery.

Series

The Three Investigators

1 book · Ages 8–13

Standalone Books (Ages 8–11)

Ghosts and More Ghosts

Robert Arthur

Spooks, phantoms, and poltergeists drift through these pages, revealing the many different shapes and spirits that haunt

Ages 8–12

Mystery and More Mystery

Robert Arthur

Vanishing women and impossible crimes fill these suspenseful tales, complete with author notes explaining how the myster

Ages 9–14

By Age Range

Ages 8–11

3 books

Ages 12–18

3 books