Owls of the world / written by Rob Hume ; illustrated by Trevor Boyer.

by Hume, Rob.
Published 1997

Suomen ja Euroopan lintuopas / Pertti Koskimies, Anne Petäinen, Juha Valste, Rob Hume.

by Hume, Rob,, Petäinen, Anne,, Koskimies, Pertti,, Valste, Juha, 1945-
Published 2003

The complete guide to the birdlife of Britain and Europe / Peter Hayman & Rob Hume.

by Hayman, Peter.
Published 2002