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Oxford University Press is the leading provider of UK police materials for professional development and promotion. Blackstone’s Police is an online service, bringing together all of our online resources for police promotion exam candidates.

Blackstone’s Police Investigators
Blackstone’s Police Investigators is a brand new service for Trainee Investigators preparing for the National Investigators' Examination (NIE). Blackstone’s offers three distinct packages to suit your needs:
  • Blackstone’s Police Investigators’ Manual and Workbook – the online edition of the only official study guides for the National Investigators' Exam (NIE)
  • Blackstone's Police Investigators' Q&A – your essential revision tool, with a database of over 650 multiple-choice questions
  • Blackstone’s Police Investigators' Manual, Workbook, and Q&A – fully searchable, online editions of the Blackstone’s Police Investigators’ Manual and Workbook, as well as a unique, NIE-tailored Q&A database

Interested in subscribing to Blackstone’s Police Investigators?
Visit our Blackstone’s for Trainee Investigators page to find out about our range of products available for National Investigators' Examination (NIE) candidates. Click the link under each product to visit our online catalogue, where you can learn about the full product features and our subscription options.

If you are a current subscriber and would like help with your subscription, please visit our Subscriber Services page.