Hal Ackerman (website) has written two novels in Harry Stein series. Harry Stein is a soft-boiled private investigator, once a well-known expert on cannabis, now in his 50s an employee of a product liability re-insurance firm counting shampoo bottles
It is a light humorous detective PI series that readers of easy mysteries will enjoy.
Harry Stein Series In Order
1. Stein, Stoned, 2010
2. Stein, Stung, 2011