Improbable Screen Credits Dept.: "Based on a book by Steve Parish"

From Variety.com:

Sun May 9, 8:00 PM ET NEW YORK -- Former Showtime programming prexy Jerry Offsay has resurfaced with production shingle Parkchester Pictures, and plans to raise the Dead with his first feature. Offsay has acquired rights to "Home Before Daylight: My Life on the Road With the Grateful Dead," a book written by Steve Parish, who spent 30 years with the band as roadie and senior tour manager, and journalist Joe Layden. The band has pledged to cooperate on the project: guitarist and singer Bob Weir will write the music for the film.

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