Clearing the Bases is a much-needed call to arms by one of baseball's most respected players. Drawing on his experiences as a third baseman, a manager, and, most recently, a fan, Mike Schmidt takes on everything from skyrocketing payrolls, callous owners, and unapproachable players to inflated statistics, and, of course, ersatz home run kings.

But Schmidt's book goes beyond the Balco investigation and never-ending free-agent bonanzas that dominate the back pages. It also examines all that's right with our national pastime, including interleague play, expansion, and, most...