Robert Arthur

With a brand-new Three Investigators series finally launched into the world, it’s a great time to also revisit the classic books. The new series, conceived and co-written by Elizabeth Arthur, Robert A

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• Series: Classic Three Investigators #1
• Author: Arthur, Robert
• Binding: Paperback
• Page Count: 224
• Publish Date: November 10 2025
• ISBN10: 1969498005
• Language: English