This issue of "Biography Today" looks at scientists and inventors and is created to appeal to young readers in a format they can and enjoy and easily understand. Each entry provides at least one picture of the individual profiled, and bold-faced rubrics lead the reader to information on birth, youth, early memories, education, first jobs, marriage and family, career highlights, memorable experiences, hobbies, and honors and awards. Entries also provide information on further reading for readers. Obituary entries are included to provide a perspective on an individual's entire career. Each issue concludes with a name index, a general index, a birthplace index, and a birthday index. The scientists and inventors highlighted are John Bardeen (obituary), Sylvia Earle, Dian Fossey (obituary), Jane Goodall, Bernadine Healy, Jack Horner, Mathilde Krim, Edwin Land (obituary), Louis Leakey, Mary Leakey, Rita Levi-Montalcini, J. Robert Oppenheimer (obituary), Albert Sabin, (obituary), Carl Sagan, and James D. Watson. (RJC)