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Are you Roger Hanlon, author of the books below?
Octopus, Squid, and Cuttlefish by Roger Hanlon Cephalopod Behaviour by Roger Hanlon Resilient by Roger Hanlon Reflective Light Modulation by Cephalopods in Shallow Nearsho... by Roger Hanlon A Study of Growth in Octopus briareus, with notes on its labo... by Roger Hanlon Guide to the sea grasses of Florida, the Gulf of Mexico, and ... by Roger Hanlon


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