New Lead Uncovered In Joan Risch CaseBoete UPI - The Boston Globe said today in a copyrighted article that detectives have uncovered new imormetioa that Mrs. Joan Risch read a series of books whose main theme was disappearance and exile shortly before rite vanhhed from her blood-stated Lincoln home Oct. 24. 1961.The cewspapsr said the books were taken out of Lincoln library during the six months before she disappeared.Many of them showed a dear pat-. rn of dteppearance into a new life. abduction and self-imposed exile.Diet Atty. John J. Drorey called the new information “the biggest break in the case to data.Despite Tuesday night’s heavy snow storm, two policemen were sent to New York to corner with Martin Risch. ths women's husband, on the new details. Ho was on a business trip.Lincoln Police Chief Leo Algeo said. “TUs is a very interesting develop-ment. Ws are following it Just as hard as we can.**Droney also disclosed that he wasarrangements with state police to send circulars with Mrs. Risch’s picture and description toso* to book publishing houses.Risch earlier told Droney that bethat she would be workling In a bookstore, tibrary. publishing firm or as aPolice said one of the books concerned the disappearance of an or phan girl. Mrs. Risch was an orphan.Other themes of books Mrs. Risch had taken out included a man disappearing, a woman fleeing her home to tfart life anaw, a schoolboy vanishing, a wife disappearing without a trace and a mao running away to escapeEven the day Mrs. Risch ed. police found a book open on a table in the home. It was the “Immortal Queen/’ a cove! of Mary, Queen of Scota. The book contains details of ths contrived rape and abduction of Mary.