What has Bob Moyer been reading lately? It’s a mystery. By Robert Moyer MYSTERY. An Alex Delaware Novel. By Jonathan Kellerman. Ballantine Books. 320 pages. $28. Mystery would seem a presumptuous title for a genre all about them. The Mystery here, however, is merely the moniker of an older-than-she-looks bimbo trolling the Internet for an older-than-the-hills sugar … Continue reading Kellerman on his game