Books by Robert Arthur

Known for the The Three Investigators series, Robert Arthur writes middle grade and young adult for ages 8–18, alongside 1 standalone book, exploring themes of curiosity & wonder, fear & bravery, mystery.

Series

The Three Investigators

2 books · Ages 8–18

Standalone Books (Ages 12–18)

Mystery and More Mystery

Robert Arthur

For the budding writer or deep thinker who loves to deconstruct a mystery. This collection of ingenious whodunits includ

Ages 9–14

By Age Range

Ages 8–11

2 books

Ages 12–18

3 books

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