Selected bibliography:

• Field Guide to the Native Edible Plants of New Zealand: Including Those Plants Eaten by the Maori (Collins 1981; Hodder & Stoughton 1990; Godwit 1997; Penguin 2004)
• The Parks and Woodlands of London (Fourth Estate, London 1987)
• A Kiwi Has No Wings, illustrated by Julie Roil (Longman Paul 1988). Re-illustrated by Peter Campbell for Heinemann Primary 1997 [Wild Stories series]
• Archey’s Frog, illustrated by Julie Roil (Longman Paul 1988). Re-illustrated by Peter Campbell for Heinemann Primary 1997 [Wild Stories series]
• Where Does the Tui Go?, illustrated by Julie Roil (Longman Paul 1988). Re-illustrated by Peter Campbell for Heinemann Primary 1997 [Wild Stories series]
• When the Tuatara Came, illustrated by Julie Roil (Longman Paul 1988). Re-illustrated by Peter Campbell for Heinemann Primary 1997 [Wild Stories series]
• A Weta has Six Legs, illustrated by Trevor Pye (Longman Paul 1990) [Pattern in Nature series, published in te reo as Ngâ Tauira Taiao]
• A Rainbow in the Forest, illustrated by Trevor Pye (Longman Paul 1990)[Pattern in Nature series, published in te reo as Ngâ Tauira Taiao]
• Native Edible Plants of New Zealand (Hodder & Stoughton 1990)
• Some Leaves are Like Your Hands, illustrated by Trevor Pye (Longman Paul 1990).[Pattern in Nature series, published in te reo as Ngâ Tauira Taiao]
• How Long is the Huhu?, illustrated by Trevor Pye (Longman Paul 1990) [Pattern in Nature series, published in te reo as Ngâ Tauira Taiao]
• All Kinds of Animals, illustrated by Trevor Pye (Longman Paul 1990) [Pattern in Nature series, published in te reo as Ngâ Tauira Taiao]
• Which Plant? (poster set, Longman Paul 1991)
• Earthkids: New Zealand Conservation Stories, Activities and Games (Viking Pacific 1992)
• Which Native Tree?: A Simple Guide to the Identification of New Zealand Native Trees, illustrated by Geoffrey Cox (Viking Pacific 1992; new ecological edition Penguin 2009)
• Which Native Forest Plant?: A Simple Guide to the Identification of New Zealand Native Forest Shrubs, Climbers and Flowers, illustrated by Sandra Parkkali (Viking 1994; new ecological edition Penguin 2009)
• Which Native Forest Fern? A Simple Guide to the Identification of New Zealand Native Ferns, illustrated by Sandra Parkkali (Viking 1994; new ecological edition Penguin 2009)
• Which Coastal Plant?: A Simple Guide to the Identification of New Zealand’s Common Coastal Plants,  illustrated by Sandra Parkkali (Viking 1995)
• Nature’s Alphabet: A New Zealand Nature Trail, illustrated by Dave Gunson (Puffin 1998)
• A Guide to the Identification of New Zealand Coastal Plants (Viking 1997)
• A Guide to the Identification of New Zealand Native Ferns (Viking 1997)
• A Guide to the Identification of New Zealand Native Forest Shrubs, Climbers and Flowers (Viking 1997)
• A Guide to the Identification of New Zealand Native Trees (Viking 1997)
• The Life-Size Guide to Native Trees and Other Common Plants of New Zealand’s Native Forest (Viking 1997)
• Saddleback Rescue: Saving New Zealand’s Tieke from Extinction illustrated by Peter Campbell (Heinemann Primary 1997) [Wild Stories series]
• Takahe: Lost and Found: The Rediscovery of an ‘Extinct’ New Zealand Bird illustrated by Peter Campbell (Heinemann Primary 1997) [Wild Stories series]
• When the Morepork Calls: The Night World of Ruru, New Zealand’s Native Owl illustrated by Peter Campbell (Heinemann Primary 1997) [Wild Stories series]
• Kereru: New Zealand Pigeon: And the Many Trees that Need this Bird, illustrated by Peter Campbell (Heinemann Primary 1997) [Wild Stories series]
• Native Trees (Penguin 1998) [Nature Flip Guide series]
• Seashells (Penguin 1998) [Nature Flip Guide series]
• The Life-Size Guide to Insects & Other Land Invertebrates of New Zealand (Penguin 1999)
• Which Seashell?: A Simple Guide to the Identification of New Zealand Seashells (Penguin 1999)
• Insects (Penguin 2000) [Nature Flip Guide series]
• New Zealand Birds (Penguin 2001) [Nature Flip Guide series]
• Which New Zealand Bird?: A Simple Step-by-step Guide to the Identification of New Zealand’s Native & Introduced Birds, illustrated by Dave Gunson (Penguin 2001)
• Which New Zealand Insect? (Penguin 2002)
• The Life-Size Guide to New Zealand Wildflowers (Penguin 2003)
• Wildflowers (Penguin 2004) [Nature Flip Guide series]
• The Life-Size Guide to New Zealand Native Ferns: Featuring the Unique Caterpillars Which Feed on Them (Penguin 2004)
• The Life-Size Guide to the New Zealand Beach: Featuring the Odd Things That Get Washed Up on the Sand (Penguin 2004)
• Which Native Plant Can I Grow Here? (Penguin 2004) [Previously published as The Quickfind Guide to Growing Native Plants (Penguin 1997)]
• The Dalai Lama Story: The Making of a World Leader (Longacre 2007)
• Which New Zealand Spider?: Including Their Eight-legged Cousins: The Harvestmen, False Scorpions, Mites, Ticks and Sea Spiders (Penguin 2007).
• A Mini Guide to the Identification of New Zealand Land Birds, illustrated by Dave unson (Penguin 2007)
• A Mini Guide to the Identification of New Zealand Spiders (Penguin 2009)
• A Mini Guide to the Identification of New Zealand Seashells (Penguin 2010)
• A Mini Guide to the Identification of New Zealand Insects (Penguin 2010)
• Pathway of the Birds: The voyaging achievements of Māori and their Polynesian ancestors. (Bateman 2018; University of Hawaii Press 2018)
• Those Magnificent Voyagers of the Pacific (Bateman 2023)