Reddit reviews Blackstone's Handbook for Policing Students 2020
We found 1 Reddit comments about Blackstone's Handbook for Policing Students 2020. Here are the top ones, ranked by their Reddit score.
Those are more in depth than you need, it goes in to way too much depth. Those are for people going for the sergeants exam.
I think what OP is looking for is the Blackstone's Handbook for Policing Students.
https://www.amazon.co.uk/dp/0198848641/ref=cm_sw_r_cp_apa_i_uTfCDb414PB1P