An Abrams "First Impressions" book, this young person's biography of the perennially intriguing painter Bosch includes a full-color gatefold reproduction of his "Garden of Earthly Delights." Little is known about Bosch's life, but the author fills the gaps with some surmises and much information about daily life in 15th-century Holland. Witth 55 illustrations (36 in color). Ages 11-15.  (NTH65, $19.95)