Exceptionally comprehensive series in a variety of different fields, from the most basic to the most advanced. Truly a testimony to REA's competence in diverse disciplines!- As their name implies, these concise, thorough study guides summarize the essentials of the field covered.- A lasting reference source for students, teachers, and professionals.- Provide quick, easy access to critical information.- Helpful when preparing for exams and doing homework.- Each about 100 pages.- Trim Size: 5 1/2" x 8 1/4" (14 cm x 21 cm).- A variety of free display racks is available.