October 2022 Published a book titled “Themes on Crime and Criminal Justice” (ISBN: 978-9914-49-067-1) Designed and printed by Kenyatta University Press (KUP).
January 2018- Published a book titled “Readings in Criminology and Security Studies: A compilation of Journal Papers” (ISBN 978-9966-814-69-2) Designed and printed by Kenyatta University Press (KUP).
September 2013 -Published a book titled “Challenges Facing the Control of Drugs and Substance Abuse in Prisons” (ISBN 978-3-659-46266-5) by a Germany based international publishing company-LAMBERT ACADEMIC PUBLISHING (LAP). The book cover can be viewed by clicking https://www.lap-publishing.com//system/covergenerator/build/91832 .
Penology and Rehabilitation of offenders.
Drug and Substance Abuse related Issues.
Police and Prison matters.