'It's been a trip!': Book on psychedelics returned to library 37 years late – 102.3 KRMG
According to a note left in the book- "It's been a long, strange trip"- it'd seem the person returning it is aware of the humor here.
United States Bernard Aaronson Humphry Osmond Weld County Library In Greeley High Plains Library District Weld County Library
Source: krmg.com