Libros de Oceano Group (2 libros)
Enciclopedia didáctica de computación

A comprehensive reference guide to physics and chemistry combines an authoritative text and hundreds of full-color illustrations that encompass the fundamental concepts and theories of the sciences, along with experiments, guidelines for writing equations, and hands-on learning activities, both in a print version and CD-ROM. (Science & Mathematics)
Enciclopedia de Guatemala

Each encyclopedia in this series is a comprehensive source of information on a Latin American nation.