Books like Legally Stoned
Todd Thies
Legally Stoned is 236 pages, about 4 hours 20 minutes at 250 words a minute.
7 books to read next
How long each takes
Psychedelics Encyclopedia 7.7 h 
Drugs, the Brain and Behavior 4.1 h 
This Is Your Mind on Plants 5.0 h 
The Magical and Ritual Use of Herbs 2.4 h 
The Encyclopedia of Psychoactive Plants 17.3 h 
Pharmakodynamis 5.4 h 
Pharmako/gnosis 7.0 h Bar height shows length. Estimated at 250 words a minute.