ELECTRONICS: A PRACTICAL INTRODUCTION P. W. Braby. Toronto, Wiley, c1983. 248pp, paperbound boards, $19.95. ISBN 0-471-798444. Grades 9 and up. Reviewed by Ronald Vichar. Volume 11 Number 6. 1983 November. Twenty chapters on various aspects of electronics are presented in abbreviated form that is easily accessible to the average high school student. There are nine suggested projects, all interesting, simple, and inexpensive. Topics covered under the first section, titled "The Practical Side," include: diagrams and symbols, chassis metalwork, hardware, electronic components, techniques of hand wiring, soldering, designing printed circuits, and measurements and tests. Under the second section, "Circuits and Components," is found a chapter on each of the following: nature of electricity; sources of electrical energy; circuits; magnetism and electromagnetism; resistors and resistance; capacitors, inductors, relays, and transformers; semiconductors; and integrated circuits. There are twenty-five pages of indexes and a glossary of electronic terms. Each chapter closes with self-test questions. The author highlights the main electronic topics without getting lost in heavy theory. It can be used at almost any grade level from 9 to 12. Ronald Vichar and Margaret MacLean, Central Technical School, Toronto, ON.