The Great Brain Does It Again
In turn-of-the-century Mormon Utah, Tom's great brain comes up with eight more schemes, most of them concerned with earning money.
The Great Brain at the Academy (Great Brain #4)
The Great Brain
The Great Brain is Back (Great Brain, Book 8)
More Adventures of the Great Brain (Great Brain, Book 2)
The Great Brain Reforms
Me and My Little Brain (Great Brain, Book 3)
The Great Brain at the Academy
The Return of the Great Brain