The AAP released delayed statistics for March sales, with trade sales rebounding from a weak February to rise $14.5 million (up 3 percent), at $456.5 million. As has been the case across the first quarter, adult trade paperbacks led the gains, up 9.3 percent, at $104 million, and adult hardcovers remained soft, at $96.5 million down 6.3 percent. […]