“The third time was the charm for Robert A. Caro, who finally won the nonfiction prize for the third volume of his majestic Lyndon B. Johnson biography, The Master of the Senate (Alfred A. Knopf). Caro was a finalist in 1975 and 1983. Other winners include: for fiction, Three Junes by Julia Glass; for young people’s literature, The House of the Scorpion by Nancy Farmer; and for poetry, In the Next Galaxy by Ruth Stone.