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displaying 7 results for author search for 'Helen Roy'

Field Guide to the Ladybirds of Great Britain and Ireland

Helen Roy
Paperback / softback, 160 pages
ISBN-13: 9781472935687
29 Nov 2018
Readership Age:
nature / butterflies & moths Price: R 983.95
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normal price: R 1 092.95

Usually dispatched in 3 to 6 weeks as supplier is out of stock

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Invasive Alien Arthropod Predators and Parasitoids: An Ecological Approach

Helen Roy
Paperback / softback, 324 pages
ISBN-13: 9789400738294
29 Nov 2013
Readership Age:
science / life sciences / ecology Price: R 6 012.95
| on special |
normal price: R 6 680.95

Available from overseas. Usually dispatched in 14 days

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Lottie The Lamp Post

Helen K Roy
Paperback / softback, 52 pages
ISBN-13: 9781500387235
1 Jul 2014
Readership Age: Price: R 318.95
| on special |
normal price: R 353.95

Available from overseas. Usually dispatched in 14 days

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Ladybirds

Helen E. Roy
Paperback / softback, 142 pages
ISBN-13: 9781907807077
15 Apr 2013
Readership Age:
nature / insects & spiders Price: R 961.95
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normal price: R 1 068.95

Usually dispatched in 3 to 6 weeks as supplier is out of stock

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From Biological Control to Invasion: the Ladybird Harmonia axyridis as a Model Species

Helen E. Roy
Paperback / softback, 290 pages
ISBN-13: 9789048177714
6 Nov 2010
Readership Age:
science / life sciences / zoology / invertebrates Price: R 6 012.95
| on special |
normal price: R 6 680.95