John R. Cooper

• Radioactive Releases in the Environment
• Radioactive releases in the environment
• First base jinx
• The Southpaw's Secret
• 1ST BASE JINX MM P (Mel Martin, No 4)
• mel martin
• MYST BALL PRK MM P (Funnybones)
• SOUTHPAWS SEC MM P (Mel Martin Series, No. 2)
• The Mystery at the Ball Park by John R. Cooper by John R. Cooper
• The Phantom Homer
• The Southpaw's Secret