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Rocks & fossils
Struan Reid ; illustrated by Brin Edwards, Non Figg, Ian Jackson 1st ed.. Usborne, 2008 書
Trees
Laura Howell ; edited by Kirsteen Rogers ; designed by Laura Hammonds ... [et al.] 1st ed.. Usborne, 2007 書
Birdwatching
Susanna Davidson, Sarah Courtauld, Kate Davies ; edited by Jane Chisholm ; illustrated by Brin Edwards, Trevor Boyer, Ian McNee 1st ed.. Usborne, 2007 書
