The books you must have to take the exam include...

Oxford Handbook of Clinical Dentistry (both the Pink and Blue Books)	Essential Human Disease for Dentistry by Churchill Livingstone	British National Formulary or Dental Practitioners' Formulary (the most up-to-date version)

Other Recommended OR Exam books:

• Anatomy - Anatomy for Dental Students - D R Johnson, W J Moore.
• Anatomy (oral specific) - Oral Histology, Development, Structure and Function - A R Ten Cate.
• Children's Dentistry - Paediatric Dentistry - R R Welbury.
• Conservative (Operative) Dentistry - Pickard's Manual of Operative Dentistry - E A M Kidd, B G N Smith.
• Law and Ethics - Dental Law and Ethics - P Lambden (ed.)
• Microbiology - Notes on Medical Bacteriology - J D Sleigh, M C Timbury.
• Oral Microbiology - Oral Microbiology P Marsh, M V Martin.
• Oral Physiology - Biochemistry and Oral Biology - A S Cole, J E Eastoe.
• Oral Pathology - Oral Pathology - J V Soames, J C Southam.
• Oral Surgery - An Atlas of Minor Oral Surgery: principles and practice - D A McGowan.
• Oral Medicine - A Clinical Guide to Oral Medicine - P-J Lamey, M A O Lewis.
• Orthodontics - W & H Orthodontic Notes (5th edition) - M L Jones, R G Oliver.
• Pathology - General and Systemic Pathology - J C E Underwood.
• Periodontics - Guide to Periodontics - W M M Jenkins, C J Allan.
• Pharmacology - Textbook of Dental Pharmacology and Therapeutics - J G Walton, J W Thompson, R A Seymour.
• Physiology - Human Physiology: the mechanisms of body function - A J Vander.
• Preventive and Community Dentistry - The Prevention of Oral Disease - J J Murray.
• Prosthetics - Prosthetic Treatment of the Edentulous Patient (4th edition) - R M Basker, J C Davenport.
• Radiology and Radiography - Dental Radiology: Understanding the X-ray Image - L M Brocklebank.
• ​Single best answer questions for dentistry - P. Biyani Wiley Blackwell, 2020
  
• Therapeutics - Lecture Notes on General Surgery - H Ellis, R Calne, C Watson.
• Virology - Notes on Medical Virology - M C Timbury.

The official GDC list of recommended books for the ORE Exam, click on the link if you would like to compare this to the recommended books for the LDS exam.