Present,'' in this guide). Lesson plans or activities can be located on the CD-ROM using the following criteria (alone or in combination): grade level, subject, process skills, keywords, content themes, and programs. Each lesson plan has a detailed abstract that can be viewed on the screen, printed out, and used to find other, related lessons. Background information on each lesson is available, including an introduction, a listing of responsible authors, and the book's original table of contents. All lessons can be printed and copied as often as needed. Science Helper can operate on either the PC or the Macintosh platform.

7.28 Smithsonian Resource Guide for Teachers 1995/96. Washington, D.C.: Office of Elementary and Secondary Education, Smithsonian Institution, 1995. 73 pp.

Price: $5.00

The Smithsonian Resource Guide for Teachers 1995/96 is an annotated listing of educational materials and resources available from the Smithsonian Institution. Science materials are included in the following subject areas: anthropology/human life, astronomy/space sciences, botany/plant life, general science/ecology, geology/minerals/paleontology, and zoology/animal life. Materials are grouped by subject, and within each section are arranged alphabetically by title. The booklet lists catalogs, visitor guides, periodicals, and information on electronic (computer) access to the Smithsonian.