Gavin McKinnon

Blackstone's Police Manual Volume 4

2017

Blackstone's Police Manuals Volume 4

2021

Police Investigators' Workbook 2019

2018

General Police Duties 2017

2016

General Police Duties 2016

2015

General Police Duties 2015

2014

General Police Duties 2014

2013

General Police Duties 2013

2012

General Police Duties 2009

2008

General Police Duties 2008

2007

Evidence and Procedure

2007

Evidence and Procedure 2016

2015

Blackstone's Police Manuals 2020

2019

Blackstone's Police Manuals 2019

2019

Blackstone's Police Manuals 2018

2017

Blackstone's Police Manuals 2017

2017

Blackstone's Police Manuals 2016

2015

Blackstone's Police Manuals 2015

2015