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Gehan de Silva Wijeyeratne的作品

Cover for Gehan De Silva Wijeyeratne · Wild Sri Lanka (Hardcover Book) [3 New edition] (2026)

Wild Sri Lanka (2026)

Gehan De Silva Wijeyeratne

Cover for Gehan De Silva Wijeyeratne · A Photographic Guide to the Wildlife of Sri Lanka - Wildlife Guides (Paperback Book) (2024)

A Photographic Guide to the Wild... (2024)

Gehan De Silva Wijeyeratne

Cover for Gehan De Silva Wijeyeratne · Sri Lankan Wildlife (Paperback Book) [2 Revised edition] (2022)

2 Revised edition

Sri Lankan Wildlife (2022)

Gehan De Silva Wijeyeratne

Cover for Gehan De Silva Wijeyeratne · A Naturalist's Guide to the Mammals of Sri Lanka - Naturalist's Guide (Paperback Book) (2020)

A Naturalist's Guide to the Mamm... (2020)

Gehan De Silva Wijeyeratne

Cover for Gehan De Silva Wijeyeratne · A Naturalist's Guide to the Birds of Sri Lanka (3rd edition) - Naturalist's Guide (Paperback Book) [3 Revised edition] (2020)

3 Revised edition

A Naturalist's Guide to the Bird... (2020)

Gehan De Silva Wijeyeratne

Cover for Gehan De Silva Wijeyeratne · A Naturalist's Guide to the Trees of Sri Lanka - Naturalist's Guide (Paperback Book) (2019)

A Naturalist's Guide to the Tree... (2019)

Gehan De Silva Wijeyeratne

Cover for Gehan De Silva Wijeyeratne · The Birds of Sri Lanka: A Photographic Field Guide (2nd edition) - A Photographic Field Guide (Paperback Book) [2 Revised edition] (2019)

2 Revised edition

The Birds of Sri Lanka: A Photog... (2019)

Gehan De Silva Wijeyeratne

Cover for Gehan de Silva Wijeyeratne · A Naturalist's Guide to the Butterflies of Sri Lanka (2nd edition) - Naturalist's Guide (Paperback Book) [Revised edition] (2018)

Revised edition

A Naturalist's Guide to the Butt... (2018)

Gehan de Silva Wijeyeratne