From Cradle to Grave

Marybeth Tinning of Schenectady, N.Y., bore eight children and adopted a ninth; all died in infancy. Imprisoned for the murder of the ninth baby, Tinning had probably killed all the children and suffered from postpartum psychosis, according to Egginton's hypothesis detailed in what PW termed ``a sensitive, thought-provoking study.'' Photos. (May)