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Oxford University Press is the leading provider of UK police materials for training, professional development, and promotion. Blackstone’s Police is the online service that brings together all of our online resources for police promotion candidates sitting the NPPF Step 2 Legal Examination and trainee investigators preparing for the National Investigators' Examination. Click on the relevant section below to learn about our available products and subscription options.

Blackstone’s for Sergeants' and Inspectors' Exam Candidates
For candidates planning to sit the NPPF Step Two Legal Examination (formerly OSPRE® Part I).

Blackstone’s for National Investigators' Exam Candidates
For candidates planning to sit the National Investigators Examination (NIE).