Bobbysamd's & Braidkid's lists are the best for initial FAA CFI, here are some additional books for the list:
Note: Use FAA publications as primary publications for FAA checkrides!!! (The list can be useful if you are developing a university program/library, training CRM instructors and so on, or to find more details and background information about topics in the FAA books.)
AOPA (1980). A Guide to the AOPA Ground Instructor Certificate. London: British Light Aviation Centre.
AOPA (1980). The AOPA Ground Instructor Course (Basic). London: British Light Aviation Centre.
Boeing (1968). Flight Instructor Principles and Techniques of Instruction. Seattle: Boeing.
Boeing (1999). Flight Crew Training Manual. Seattle: Boeing.
CAA (1987). Commercial Flying Instructor's Guide. Cheltenham: Westward Document Media Ltd.
CAA (1993). Basic Flying Instructor Handbook. Cheltenham: Westward Document Media Ltd.
CAA (1994). Objective Testing for the Pilot's Licences: Specimen Examinations and Papers. Cheltenham: Westward Document Media Ltd.
Campbell, R. D. et al. (1990). Flight Instructors Manual. London: Campbell Partnership.
Campbell, R.D. (1972). Flight Training, Teaching and Learning. London: AOPA.
Campbell, R.D. (1993). Flying Training Multi Engine Rating. Guildford: The Campbell Partnership.
Campbell, R.D. (1994). Flight Instructors Manual. Guildford: The Campbell Partnership.
Canadian Forces (1999). Advanced Flying Training - Multi-Engine. Ontario: National Defence Headquarters.
Civil Aeronautics Administration (1941). Civil Aeronautics Bulletin No 5: Flight Instructor's Manual. Washington, DC: GPO.
Civil Aeronautics Administration (1941). Civil Aeronautics Bulletin No. 23: Civil Pilot's Training Manual. Washington, DC: GPO.
Crane, D. (1981). Technical Instruction. Riverton: IAP.
Department of the Airforce and the Navy (1983). Flying Training: Air Navigation. Washington, DC: GPO.
Dismukes, K., McDonnell, L.K. & Jobe, K.K. (1997). Facilitation LOS Debriefings, A Training Manual. Moffett Field: NASA Ames Research Center.
Dornier (1997). Dornier 328 Training Manual. Wessling: Dornier Luftfart GmbH.
DOT & FAA (1986). Aeronautical Decision Making for Instructor Pilots. Springfield: NTIS.
Dunlap, J.H. & Mangold, S.J. (1998). Leadership/Followership Recurrent Training Instructor Manual, Washington DC: FAA.
FAA (1997). Aircraft Flight Simulator use in Pilot Training, Testing, and Checking at Training. Washington, DC: Flight Standards Service.
FAA (2000). Stall Spin Awareness Training. Washington, DC: GPO.
Federal Aviation Agency (1963). Ground Instructor Examination Guide. Washington, DC: GPO.
Federal Aviation Agency (unknown date). Pilot Instruction Manual. New York: Doubleday & Company Inc.
Fraser, M. & Smallwood, T.W. (1995). The Airline Training Pilot. Aldershot: Ashgate.
Hawkins, F.H. (1987). Human Factors in Flight. Aldershot: Ashgate Publishing Ltd.
Training in Aviation.' Cockpit Resource Management. San Diego: Academic Press.
Hunt, J.F. et al. (1997). Designing Instruction for Human Factors Training in Aviation. Aldershot: Avebury Aviation.
ICAO (1975). Training Manual: Composite Ground Subject Curriculum. Montreal: ICAO.
ICAO (1983) Manual of Procedures for Establishment of a State's Personnel Licensing System. Montreal: ICAO.
ICAO (1983). Manual on Establishment and Operation of Aviation Training Centres. Montreal: ICAO.
ICAO (1985). Training Manual: Integrated Commercial Pilot Course, Volume 1 Course Details. Montreal: ICAO.
ICAO (1985). Training Manual: Integrated Commercial Pilot Course, Volume 2 Instructor briefing sheets. Montreal: ICAO.
ICAO (1998). Human Factors Training Manual. Montreal: ICAO
ICAO (1998). International Civil Aviation Vocabulary Volume I &II. Montreal: ICAO.
Johnston, N., McDonald, N. & Fuller R. (1995). Aviation Psychology: Training and Selection. Aldershot: Ashgate.
Kershner, W.K. (1974). The Flight Instructor's Manual. Ames: Iowa State University Press.
Lovoy, T, (2001) JAR Instructor's Handbook, NAR.
O'Neil, H.F. & Andrews, D.H. (2000). Aircrew Training and Assessment. New Jersey: Lawrence Erlbaum Associates Inc.
Penglis, G.M. (1994). The Complete Guide to Flight Instruction. Highland City: Rainbow Books.
Phillips, P. & Cole, R. (1995). The Flying Instructor's Patter Manual. Shrewsbury: Airlife Publishing Ltd.
RaeS Human Factors Group (1998). Guide to Performance Standards for Instructors of Crew Resource Management Training in Commercial Aviation. London: RAeS, CAA and ATA
RAF (1999). Training Syllabuses and Instructional Specifications. Halton: RAF
Smith, R.T. (1978) Passing Your Flight Instructor FlightTtest. Blue Ridge Summit: TAB Books.
Telfer, R. & Biggs, J. (1988). The Psychology of Flight Training. Ames: Iowa State University Press.
Telfer, R.A., et al. (1997). Aviation Training: Learners, Instruction and Organization. Aldershot: Ashgate.
Telfer. A.T. et al. (1993). Aviation Instruction and Training. Aldershot: Ashgate.
Tom, T. (1999). Flying Training, The Air Pilot's Manual. Shropshire: Airlife Publishing Ltd.
Transport Canada (1998). Designated Flight Examiner Manual. Ottawa: Canadian Government Publishing Centre.
Transport Canada (1999). Flight Instructor Guide. Ottawa: Canadian Government Publishing Centre.
US Army (1998). Total Army Instructor Training Course. Washington, DC: GPO.
US Navy (1992). Navy Instructional Theory. Washington, DC: GPO.
US Navy (1992). Navy Instructor Manual. Pensacola: Naval Education and Training Command.
USAF (1994). Guidebook for Air Force Instructors. Washington, DC: GPO.
USAF (1997). Developing, Managing, and Conducting Training. Washington, DC: GPO.