What were publishers thinking about at last week’s annual BookExpo? “Lower prices were on many people’s minds at the Los Angeles Convention Center, where BookExpo America, the industry’s annual national gathering, ended Sunday. Publishers and booksellers agreed that in a slow economy they needed to find ways to conform to the budgets of their customers. With hardcovers often costing $25 or higher, publishers are cutting the price of some hardcover editions and going straight to paperback.”