Robert J. Guerrera

Robert J. Guerrera's books

Salk: Zero Is the Key (Book 1)

3.93 avg rating — 59 ratings

Salk: Book of the Dead (Book 3)

it was amazing 5.00 avg rating — 2 ratings

Salk: The Antikythera (Book 2)

3.50 avg rating — 2 ratings