If you are getting your 608 Certification you need these (3) books bundled together in one purcahse:
1) Section 608 Refresher Manual (English)
One hundred sample test questions plus a solid review of the fundamentals of refrigeration and air-conditioning systems, components, and configurations. (Yes, these will be on the EPA test!)
2) Study Guide for EPA Section 608 Test
Condenses the body of knowledge needed to get 608 Type I, II and III certification. Designed for non-certified technicians who already have a working knowledge of the trade. Call 1-888-290-2220 for special educational discounts available to instructors and proctors.
3) Section 608 Training Manual (English)
Section 608 Training Manual 5th edition of the most popular basic text for technicians to certify for Type I (small appliance), Type II (high pressure and very high pressure), Type III (low pressure) or Universal (Type I, II, and III). Now includes 40 sample test questions, a glossary of terms, as well as examples of forms for documenting refrigerant use, refrigerant incident reports and accidental venting.