21.
 |  | Title: Exploring Animal Homes (Piccolo Explorer Books) by Theodore Rowland-Entwistle, David Nash; illustrators: Graham Allen, et al ISBN: 0330254669 Publisher: Pan Macmillan Pub. Date: 1978
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22.
 |  | Title: The Tiger (Piccolo Explorer Books) by Jennifer Lane Justice, Graham Allen ISBN: 0330256947 Publisher: Pan Macmillan Pub. Date: 1979
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23.
 |  | Title: The Tiger (Animal Life Stories) by Angela Royston, Graham Allen 1940 ISBN: 0862723590 Publisher: Kingfisher Books Pub. Date: 31 December, 1988
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24.
 |  | Title: Guide to Shells (Piccolo Explorer Books) by Jennifer Cochrane, Graham Allen ISBN: 0330257382 Publisher: Pan Macmillan Pub. Date: 1979
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25.
 |  | Title: Early Animals and People (Words for Topics) by Graham Allen ISBN: 0333189914 Publisher: Pan Macmillan Pub. Date: 1976
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26.
 |  | Title: Secrets of the Sea (Explorer Guides) by Brian Williams, David Nash ; illustrators: Graham Allen, et al ISBN: 0851668410 Publisher: The Watts Publishing Group Pub. Date: 1979
|
27.
 |  | Title: Teaching behaviour and pupils' number development; a study of the relation between the verbal behaviour of teachers in their classrooms and the number development of their preparatory grade pupils by Graham J. Allen ISBN: 0855630841 Publisher: Australian Council for Educational Research Pub. Date: 1973
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28.
 |  | Title: Harold Bloom (Harvester Wheatsheaf Modern Cultural Theorists Series) by Graham Allen ISBN: 0745009433 Publisher: Pearson Professional Education Pub. Date: 01 January, 1994
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29.
 |  | Title: Out of the dark by Graham Allen ISBN: 0715401351 Publisher: C. Davis Pub. Date: 1974
|
30.
 |  | Title: Secrets of Nature (Explorer Guides) by Jennifer Cochrane, David Nash ; illustrators: Graham Allen, et al ISBN: 0851668402 Publisher: The Watts Publishing Group Pub. Date: 1979
|