Book excerpt: Lydia Smith, a clerk at the Bright Ideas bookstore, calls the lonely regulars who spend every day marauding the store's overwhelmed shelves "BookFrogs." When Joey Molina, a young BookFrog, kills himself in the bookstore's upper room, he bequeaths his meager worldly possessions to her. Trinkets and books; the detritus of a lonely, uncared for man. But they seem to contain a hidden message. As Lydia untangles the mystery of Joey's suicide, she unearths a long buried memory from her own violent childhood.