16 books • 8 series
RSPB Handbook of Scottish Birds (RSPB)
RSPB Birds: their Hidden World (RSPB)
RSPB Where to Discover Nature (RSPB) (RSPB)
RSPB Handbook of British Birds (RSPB)
RSPB Handbook of Garden Wildlife (RSPB)
RSPB Birdfeeder Guide
Ornitologia
Aves de Presa - Guias de La Naturaleza
Aves
Birds (Collins Wild Guide S.) (Spotter's Sticker Books) (Usborne New Spotters' Guides)
Birds of Britain and Northern Europe (Collins Wild Guide S.)
RSPB Guide to British Birds
Birds Sticker Book (Usborne Spotter's Guide)
Migrants and Migration (Hamlyn Young Ornithologists' Guides)
Spotter's Guide to Wild Life (Usborne spotter's guides)
My First Book of Birds