Michael Gianturco is an investment adviser in Princeton, New Jersey He writes a column on science and technology for FORBES magazine. For further reading on board-track racing he recommends The Golden Age of the American Racing Car , by Griffith Borgeson (Norton, 1966), and Dick Wallen’s superbly produced, richly illustrated, and wholly definitive 454-page Board Track Racing: Guts, Gold, and Glory , available from its author, 619-749-4406.